body,
html {
  font-family: "PingFang SC", "Source Sans Pro", "Helvetica Neue", "Microsoft Yahei", Helvetica, Arial, "Hiragino Sans GB", "Heiti SC", "WenQuanYi Micro Hei", sans-serif;
  background-color: #f5faff;
}
a:hover,
a:focus {
  text-decoration: none;
}
input:focus {
  outline: 0;
}
img {
  max-width: 100%;
}
.header {
  background-color: #051852;
}
@media (max-width: 1200px) {
  .header {
    display: block;
    position: fixed;
    z-index: 99;
    left: 0;
    top: 0;
    width: 100%;
  }
}
.header .head-box {
  display: flex;
  align-items: center;
  height: 70px;
}
@media (max-width: 1200px) {
  .header .head-box {
    height: 60px;
    justify-content: space-between;
  }
}
.header .head-box .logo {
  margin-right: 40px;
}
.header .head-box .logo img {
  max-height: 28px;
}
@media (max-width: 1200px) {
  .header .head-box .logo img {
    max-height: 25px;
  }
}
.header .head-box .menu {
  display: none;
}
@media (max-width: 1200px) {
  .header .head-box .menu {
    display: block;
    width: 25px;
  }
}
.header .head-box .nav_box {
  display: flex;
  align-items: center;
}
@media (max-width: 1200px) {
  .header .head-box .nav_box {
    display: none;
    flex-direction: column;
    position: fixed;
    z-index: 99;
    top: 60px;
    background: #051852;
    width: 100%;
    height: 100%;
    left: 0;
  }
  .header .head-box .nav_box.active {
    display: flex;
  }
}
.header .head-box .nav_box .nav_item {
  padding: 0 10px;
  position: relative;
}
.header .head-box .nav_box .nav_item .item {
  font-size: 18px;
  font-weight: 400;
  color: #FFFFFF;
  line-height: 70px;
  cursor: pointer;
}
.header .head-box .nav_box .nav_item .item.down img {
  display: none;
}
@media (max-width: 1200px) {
  .header .head-box .nav_box .nav_item .item.down img {
    display: inline-block;
    width: 16px;
    margin-left: 5px;
  }
}
.header .head-box .nav_box .nav_item .s_nav {
  display: none;
  position: absolute;
  width: 100%;
  background: #FFFFFF;
  border-radius: 4px;
  left: 0;
  top: 70px;
  padding: 7px 0;
  z-index: 5;
}
@media (max-width: 1200px) {
  .header .head-box .nav_box .nav_item .s_nav.active {
    display: block !important;
  }
}
.header .head-box .nav_box .nav_item .s_nav a {
  display: block;
  font-size: 16px;
  font-weight: 400;
  color: #617288;
  line-height: 22px;
  text-align: center;
  padding: 8px 0;
}
.header .head-box .nav_box .nav_item:hover .s_nav {
  display: block;
}
@media (max-width: 1200px) {
  .header .head-box .nav_box .nav_item:hover .s_nav {
    display: none;
  }
}
.banner {
  padding: 75px 0 95px;
  background-image: url('https://research.fanruan.com/cio/img/banner.png');
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
}
@media (max-width: 1200px) {
  .banner {
    display: block;
    padding-top: 100px;
    padding-bottom: 40px;
  }
}
.banner h2 {
  font-size: 42px;
  text-align: center;
  font-weight: 700;
  color: #FFFFFF;
  line-height: 58px;
  margin-top: 0;
  margin-bottom: 58px;
}
@media (max-width: 1200px) {
  .banner h2 {
    font-size: 24px;
    margin-bottom: 25px;
    line-height: 24px;
  }
}
.banner form {
  width: 420px;
  height: 52px;
  background: #FFFFFF;
  border-radius: 12px;
  border: 1px solid #FFFFFF;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  overflow: hidden;
}
@media (max-width: 1200px) {
  .banner form {
    width: 100%;
    height: 44px;
  }
}
.banner form .word {
  width: 350px;
  height: 52px;
  border: none;
  padding-left: 25px;
  font-size: 18px;
}
@media (max-width: 1200px) {
  .banner form .word {
    font-size: 14px;
    padding-left: 14px;
  }
}
.banner form .submit {
  width: 70px;
  height: 52px;
  background-color: #0082FC;
  background-image: url('https://research.fanruan.com/cio/img/search.png');
  background-size: 25px;
  background-position: center;
  background-repeat: no-repeat;
  border-radius: 0 12px 12px 0;
}
.case_list {
  padding-top: 65px;
  padding-bottom: 100px;
}
@media (max-width: 1200px) {
  .case_list {
    padding-top: 25px;
    padding-bottom: 40px;
  }
}
.case_list .item {
  margin-bottom: 30px;
  display: block;
}
.case_list .item .box {
  background-color: #ffffff;
  box-shadow: 0px 4px 20px 0px rgba(214, 228, 244, 0.3);
  border-radius: 8px;
  overflow: hidden;
}
.case_list .item .tit {
  padding: 15px 0 20px 20px;
}
.case_list .item .tit h3 {
  font-size: 18px;
  font-weight: 500;
  color: #333333;
  line-height: 25px;
  margin-top: 0;
  margin-bottom: 10px;
}
.case_list .item .tit .fl {
  display: flex;
}
.case_list .item .tit .fl p {
  color: #617288;
}
.case_list .item .tit .fl img {
  max-height: 20px;
  margin-right: 10px;
}
.case_list .item:hover .tit h3 {
  color: #0082FC;
}
.page {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 40px;
}
@media (max-width: 1200px) {
  .page {
    padding-top: 20px;
  }
}
.page a {
  width: 30px;
  height: 30px;
  background: #FFFFFF;
  border-radius: 2px;
  border: 1px solid #E8E8E8;
  line-height: 28px;
  font-size: 14px;
  font-weight: 400;
  color: #333333;
  text-align: center;
  margin: 0 4px;
}
.page a.active {
  background-color: #0082fc;
  color: #fff;
  border-color: #0082fc;
}
.page a.disalbe {
  background-color: #b3c1d3;
  border-color: #b3c1d3;
  color: #FFFFFF;
  pointer-events: none;
}
.page .home,
.page .last {
  width: 48px;
}
@media (max-width: 1200px) {
  .page .home,
  .page .last {
    display: none;
  }
}
.page .prev,
.page .next {
  width: 56px;
}
.page .tz {
  margin-left: 8px;
  font-size: 14px;
  font-weight: 400;
  color: #333333;
  line-height: 30px;
}
@media (max-width: 1200px) {
  .page .tz {
    display: none;
  }
}
.page .tz input {
  width: 36px;
  height: 30px;
  background: #FFFFFF;
  border-radius: 2px;
  border: 1px solid #E8E8E8;
  margin: 0 8px;
  font-size: 14px;
  padding-left: 5px;
}
.footer {
  background: linear-gradient(180deg, #0082FC 0%, #006DFF 100%);
  padding-top: 66px;
  padding-bottom: 66px;
}
@media (max-width: 1200px) {
  .footer {
    display: block;
    padding-top: 25px;
    padding-bottom: 35px;
  }
}
.footer .qc_box {
  display: flex;
  align-items: center;
}
@media (max-width: 1200px) {
  .footer .qc_box {
    justify-content: space-between;
    margin-bottom: 25px;
  }
}
.footer .qc_box .qc {
  display: flex;
  align-items: unset;
}
@media (max-width: 1200px) {
  .footer .qc_box .qc {
    flex-wrap: wrap;
    flex-direction: column;
    width: 48%;
  }
}
.footer .qc_box .qc.qc_01 {
  margin-right: 90px;
}
@media (max-width: 1200px) {
  .footer .qc_box .qc.qc_01 {
    margin-right: 0;
  }
}
.footer .qc_box .qc img {
  max-width: 130px;
  margin-right: 20px;
}
@media (max-width: 1200px) {
  .footer .qc_box .qc img {
    max-width: 100%;
    margin-right: 0;
  }
}
.footer .qc_box .qc .link {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  justify-content: center;
}
@media (max-width: 1200px) {
  .footer .qc_box .qc .link {
    align-items: center;
  }
}
.footer .qc_box .qc .link a {
  font-size: 18px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #FFFFFF;
  line-height: 25px;
  margin: 8px 0;
}
@media (max-width: 1200px) {
  .footer .qc_box .qc .link a {
    font-size: 14px;
    margin: 0;
  }
}
.footer .footer_box {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
@media (max-width: 1200px) {
  .footer .footer_box {
    flex-wrap: wrap;
  }
}
.footer .footer_box .f_nav {
  display: flex;
  align-items: center;
}
@media (max-width: 1200px) {
  .footer .footer_box .f_nav {
    justify-content: center;
    width: 100%;
  }
}
.footer .footer_box .f_nav a {
  font-size: 20px;
  font-weight: 500;
  color: #FFFFFF;
  line-height: 20px;
  padding: 0 20px;
  border-right: 2px solid #fff;
}
@media (max-width: 1200px) {
  .footer .footer_box .f_nav a {
    font-size: 16px;
    padding: 0 10px;
  }
}
.footer .footer_box .f_nav a:last-of-type {
  border: none;
}
.case_detail {
  padding-top: 80px;
  padding-bottom: 105px;
}
@media (max-width: 1200px) {
  .case_detail {
    padding: 25px 15px 35px;
  }
}
.case_detail .top_detail {
  background-color: #eef3fa;
  border-radius: 4px;
  padding: 32px 76px 32px 32px;
  display: flex;
  margin-bottom: 25px;
}
@media (max-width: 1200px) {
  .case_detail .top_detail {
    flex-wrap: wrap;
    padding: 25px 15px 40px;
  }
}
.case_detail .top_detail img {
  max-width: 210px;
  margin-right: 30px;
}
@media (max-width: 1200px) {
  .case_detail .top_detail img {
    margin-right: 0;
    width: 100%;
    max-width: 100%;
    margin-bottom: 15px;
  }
}
.case_detail .top_detail .txt h3 {
  font-size: 22px;
  font-weight: 500;
  color: #333333;
  line-height: 30px;
  margin-top: 0;
  margin-bottom: 20px;
}
.case_detail .top_detail .txt p {
  font-size: 18px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #617288;
  line-height: 28px;
  margin-bottom: 85px;
}
@media (max-width: 1200px) {
  .case_detail .top_detail .txt p {
    margin-bottom: 25px;
  }
}
.case_detail .top_detail .txt .btn {
  width: 280px;
  height: 56px;
  background-color: #0082fc;
  padding: 0;
  border-radius: 4px;
  font-size: 20px;
  font-weight: 500;
  color: #FFFFFF;
}
@media (max-width: 1200px) {
  .case_detail .top_detail .txt .btn {
    margin: 0 auto;
    display: block;
  }
}
.case_detail .bottom_detail {
  box-shadow: 0 4px 20px 0 rgba(214, 228, 244, 0.3);
  padding: 32px 32px 90px;
}
@media (max-width: 1200px) {
  .case_detail .bottom_detail {
    padding: 20px 15px 30px;
  }
}
.case_detail .bottom_detail .tit {
  border-left: 4px solid #2c6df8;
  padding-left: 5px;
}
.case_detail .bottom_detail p {
  font-size: 16px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #617288;
  line-height: 28px;
  margin-bottom: 20px;
}
@media (max-width: 1200px) {
  .case_detail .left_item {
    padding: 0;
  }
}
.case_detail .ewm_box {
  border: 1px solid #d3d3d3;
  border-radius: 4px;
  text-align: center;
  padding-top: 20px;
  padding-bottom: 35px;
  margin-bottom: 30px;
}
.case_detail .ewm_box p {
  font-size: 18px;
  font-weight: 400;
  color: #617288;
  line-height: 25px;
  margin-bottom: 0;
}
.case_detail .ewm_box img {
  max-width: 170px;
}
.case_detail .tag_box {
  border: 1px solid #d3d3d3;
  border-radius: 4px;
  padding: 20px;
}
.case_detail .tag_box h3 {
  font-size: 18px;
  margin-top: 0;
  padding-bottom: 10px;
  font-weight: 500;
  color: #333333;
  line-height: 25px;
  border-bottom: 1px solid #0082fc;
  margin-bottom: 16px;
}
.case_detail .tag_box a {
  display: block;
  margin-bottom: 20px;
}
.case_detail .tag_box a img {
  margin-bottom: 8px;
}
.case_detail .tag_box a p {
  font-size: 16px;
  font-weight: 400;
  color: #617288;
  line-height: 22px;
  margin-bottom: 0;
}
.case_detail .tag_box a:last-of-type {
  margin-bottom: 0;
}
.bg {
  position: fixed;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  z-index: 98;
  background-color: rgba(0, 0, 0, 0.49);
}
.login_box,
.register_box {
  position: fixed;
  z-index: 99;
  width: 600px;
  background: #ffffff;
  border-radius: 8px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  padding: 30px 80px 70px;
}
@media (max-width: 1200px) {
  .login_box,
  .register_box {
    width: 95%;
    padding: 20px 15px 25px;
  }
}
.login_box .close,
.register_box .close {
  float: right;
  width: 36px;
  position: relative;
  right: -55px;
  top: -5px;
}
@media (max-width: 1200px) {
  .login_box .close,
  .register_box .close {
    right: 0;
    top: 0;
  }
}
.login_box h3,
.register_box h3 {
  font-size: 28px;
  font-weight: 500;
  text-align: center;
  color: #0082FC;
  line-height: 40px;
  margin-top: 0;
  margin-bottom: 5px;
}
@media (max-width: 1200px) {
  .login_box h3,
  .register_box h3 {
    padding-left: 36px;
    font-size: 24px;
  }
}
.login_box p,
.register_box p {
  font-size: 20px;
  text-align: center;
  font-weight: 400;
  color: #617288;
  line-height: 28px;
  margin-bottom: 30px;
}
@media (max-width: 1200px) {
  .login_box p,
  .register_box p {
    font-size: 12px;
    margin-bottom: 15px;
  }
}
.login_box .input,
.register_box .input {
  width: 100%;
  height: 58px;
  border: 1px solid #979797;
  border-radius: 4px;
  font-size: 18px;
  font-weight: 500;
  color: #617288;
  padding-left: 20px;
  margin-bottom: 20px;
}
@media (max-width: 1200px) {
  .login_box .input,
  .register_box .input {
    height: 44px;
    font-size: 14px;
  }
}
.login_box .yzm_box,
.register_box .yzm_box {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
  justify-content: space-between;
}
.login_box .yzm_box .yzm,
.register_box .yzm_box .yzm {
  width: 250px;
  height: 58px;
  border: 1px solid #979797;
  border-radius: 4px;
  font-size: 18px;
  font-weight: 500;
  color: #617288;
  padding-left: 20px;
}
@media (max-width: 1200px) {
  .login_box .yzm_box .yzm,
  .register_box .yzm_box .yzm {
    height: 44px;
    font-size: 14px;
  }
}
.login_box .yzm_box button,
.register_box .yzm_box button {
  width: 170px;
  height: 58px;
  background-color: #0082fc;
  font-size: 20px;
  border: none;
  font-weight: 500;
  color: #FFFFFF;
  border-radius: 4px;
}
@media (max-width: 1200px) {
  .login_box .yzm_box button,
  .register_box .yzm_box button {
    height: 44px;
    font-size: 14px;
  }
}
.login_box .submit,
.register_box .submit {
  width: 100%;
  height: 58px;
  background-color: #0082fc;
  border: none;
  font-size: 20px;
  font-weight: 500;
  color: #FFFFFF;
  margin-top: 20px;
}
@media (max-width: 1200px) {
  .login_box .submit,
  .register_box .submit {
    height: 44px;
    font-size: 14px;
    margin-top: 0;
  }
}
.bg {
  display: none;
}
.bg.active {
  display: block;
}
.login_box {
  display: none;
}
.login_box.active {
  display: block;
}
.register_box {
  display: none;
}
.register_box.active {
  display: block;
}