.contact-us {
    position: fixed;
    z-index: 10300;
    right: 0;
    top: 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 70px;
    // height: 147px;
    box-sizing: border-box;
    overflow: hidden;
    > a {
    }
    .totop {
        // width: 90%;
        // height: 45%;
        // background: red;
        display: flex;
        justify-content: center;
        align-items: center;
        .btn {
            display: none;
            width: 44px;
            height: 44px;
            margin: 10px;
            background-color: white;
            transition: all 0.2s ease-in-out;
            box-shadow: 0 1px 8px 0px #d9d9d9;
            font-size: 24px;
            &:hover {
                // background-color: #0d79f0;
                color: #0d79f0;
                .btn {
                    box-shadow: 0 2px 10px 0px #d9d9d9;
                }
            }
        }
    }
}

@media (max-width: 576px) {
    .contact-us {
        width: 60px;
        .totop{
            .btn{
                margin: 5px;
            }
        }
    }
}

.navbar {
  box-sizing: border-box;
  border-width: 0;
  margin-bottom: 0 !important;
  height: 68px;
  background-color: transparent;
  transition: background-color 0.3s, height 0.3s;
  .nav-link {
    padding-top: 10px;
    padding-bottom: 10px;
  }
}

.st-navbar-mini {
  background-color: rgba(31, 63, 183, 1);
  height: 60px;
}

.login-register-btn {
  background-color: #e4eeff;
  color: #3860f5 !important;
  font-size: 14px;
  text-align: center;
  border-radius: 5px;
  padding: 4px 8px;
  &::after {
    background: transparent !important;
  }
}

@media (max-width: 991.98px) {
  .navbar {
    height: auto;
    background-color: rgba(31, 63, 183, 1);
    .navbar-collapse {
      .login-register-btn {
        margin-bottom: 20px;
      }
    }
    .st-navbar-mini {
      height: auto;
      background-color: rgba(31, 63, 183, 1);
    }
  }
}
@media (max-width: 575.98px) {
  .navbar-nav {
    border-radius: 5px;
    .nav-item {
      padding-left: 15px !important;
      padding-right: 15px !important;
      position: relative;
      &:hover {
        color: #ffffff !important;
      }
      &.active {
        color: #ffffff !important;
      }
      &.login-register-btn {
        margin-left: 15px;
        margin-right: 15px;
        width: 70px;
        margin-bottom: 15px;
        color: #3860f5 !important;
        padding: 2px !important;
      }
      &::after {
        display: block;
        content: "";
        position: absolute;
        bottom: 15px;
        left: 0;
        right: 0;
        height: 2px;
        background: transparent;
      }
    }
  }
  .logo-img {
    width: 220px;
  }
}
@media (max-width: 320px) {
  .logo-img {
    width: 200px;
  }
}

@media (max-width: 374.98px) {
  .logo-img {
    width: 180px;
  }
}

@media (min-width: 576px) and (max-width: 768px) {
  .login-register-btn {
    background-color: #e4eeff;
    color: #3860f5 !important;
    font-size: 14px;
    text-align: center;
    border-radius: 5px;
    padding: 2px 4px !important;
    &::after {
      background: transparent !important;
    }
  }
}

@media (min-width: 992px) {
  .navbar-expand-lg .navbar-collapse {
    justify-content: flex-end;
    .navbar-nav {
      margin: 0;
      .nav-item {
        &::after {
          display: block;
          content: "";
          position: absolute;
          bottom: 5px;
          left: 0;
          right: 0;
          height: 2px;
          background: transparent;
          transition: transform 0.2s ease-in-out;
          transform: scaleX(0);
          border-radius: 20px;
        }
        &.active {
          color: #ffffff;
          &::after {
            background: #ffffff;
            transform: scaleX(1);
          }
        }
      }
    }
  }
}

@media (min-width: 576px) {
  .navbar {
    .logo-img {
      width: 280px;
    }
    .navbar-brand {
      padding: 0;
    }
    .navbar-nav {
      align-items: center;
      .nav-link {
        padding-top: 15px;
        padding-bottom: 15px;
      }
      .nav-item {
        color: #ececec !important;
        position: relative;
        &.login-register-btn {
          padding: 5px;
          margin-left: 10px;
          color: #3860f5 !important;
        }
        &:hover {
          color: #ffffff;
        }
        &.active {
          color: #ffffff;
          &::after {
            background: #ffffff;
          }
        }
        &::after {
          display: block;
          content: "";
          position: absolute;
          bottom: 8px;
          left: 0;
          right: 0;
          height: 2px;
          background: transparent;
        }
      }
    }
  }
}

.section-title::before {
    font-size: 46px;
}

.section-title h1 {
    font-size: 30px;
}

.section12 {
    background: url(/static/img/20.929acd5.png) top center / cover no-repeat;
    // background-position-y: -1px;
}

.section12 h1 {
    color: #fff;
    top: 0;
}
.section12 .item {
    position: relative;
    // width: 19%;
    // display: inline-block;
    text-align: center;
    color: #ffffff;
    // margin-bottom: 20px;
}
.section12 .item .action {
    font-size: 16px;
    margin-top: 10px;
}
.section12 .item i {
    display: inline-block;
    width: 10px;
    height: 21px;
    background: url(data:image/png;base64,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) center no-repeat;
    position: absolute;
    right: 0px;
    top: 30%;
    margin: 15px 0 6px 0;
}
.section12 .contact {
    text-align: center;
    margin-top: 30px;
}
.section12 .contact input {
    width: 365px;
    height: 40px;
    color: #2539af;
}
.section12 .contact button {
    border: 1px solid #ffffff;
    background: transparent;
    color: #ffffff;
    height: 38px;
    width: 100px;
    position: relative;
    top: -1px;
    cursor: pointer;
}

footer {
    // height: 530px;
    background: linear-gradient(to bottom, #0f1551, #0b0f31);
    padding: 20px 0;
    .row {
        font-size: 14px;
    }
    .company-info {
        display: flex;
        justify-content: space-between;
        .right-box {
            // display: flex;
            // justify-content: space-between;
            dl {
                // margin-right: 30px;
                dd {
                    font-size: 14px;
                }
                &:last-child {
                    margin-right: 0;
                }
            }
        }
    }
}

footer a {
    color: #8c90a3;
}

footer .tools {
    border-bottom: 1px solid #272b52;
    padding-bottom: 15px;
    > div {
        margin-bottom: 20px;
    }
}
footer .tools span {
    color: #b9bbc5;
}
footer .company-info {
    margin-top: 30px;
    border-bottom: 1px solid #272b45;
    padding-bottom: 30px;
}
footer .company-info .address {
    padding-bottom: 26px;
    font-size: 14px;
    color: #b9bbc5;
    display: inline-block;
    width: 28%;
    float: left;
}
footer .company-info .address dd {
    margin-top: 20px;
}
.address .address-info {
    display: inline-block;
    width: calc(100% - 42px);
}
footer .company-product {
    font-size: 14px;
    overflow: hidden;
}
footer .company-product dt {
    color: #dfdcdc;
}
footer .company-product dd {
    margin-top: 10px;
}
footer .company-product dd:first-child {
    margin-top: 20px;
}

footer .company-info .product {
    display: inline-block;
    width: 20%;
    float: left;
}
footer .company-info .service {
    display: inline-block;
    width: 11%;
    float: left;
}
footer .company-info .aboutus {
    display: inline-block;
    width: 11%;
    float: left;
}
footer .company-info .business {
    display: inline-block;
    width: 18%;
    float: left;
}
footer .company-info .wx {
    display: inline-block;
    width: 12%;
    float: left;
}
footer .link {
    display: flex;
    justify-content: space-between;
    padding: 20px 0;
}
footer .copyright {
    color: #8c90a3;
}

@media (max-width: 576px) {
    .section12 .item {
        width: 100%;
    }
    .section12 .item i {
        display: inline-block;
        width: 10px;
        height: 21px;
        position: relative;
        right: 0;
        top: 0;
        margin-top: 10px;
        transform: rotate(90deg);
    }

    .section12 .contact input {
        width: 314px;
    }
}

body,
html {
    // height: 100%;
    // width: 100vw;
    overflow-x: hidden;
    // padding-right: calc(100vw - 100%);
}

html {
    // height: 100%;
}

body {
    display: flex;
    flex-direction: column;
    font-family: "Source Han Sans CN", "Roboto", "Noto", sans-serif, "Open Sans";
    font-size: 14px;
    .main {
        flex: 1;
        padding-top: 68px;
        position: relative;
        &::after {
            position: absolute;
            content: "";
            top: 0;
            height: 68px;
            left: 0;
            right: 0;
            background: linear-gradient(to right, #3860f5, #3960f4);
        }
    }
    .main-mini {
        padding-top: 50px;
    }
}

.section {
    padding: 80px 0;
    .title {
        font-size: 36px;
        line-height: 1.5;
        color: #181a49;
        font-weight: bold;
        letter-spacing: 3px;
    }
    .subtitle {
        font-size: 22px;
        color: #636785;
    }
    &.bg-white {
        background: white;
    }
    &.bg-gray {
        background: #f8f9fc;
    }
    .num {
        font-size: 48px;
        color: #0d79f0;
    }
    .unit {
        font-size: 18px;
        margin-left: 5px;
    }
    .num-sm {
        font-size: 28px;
        font-family: Arial;
        // font-weight: bold;
        color: #3860f5;
    }
    .unit-sm {
        font-size: 14px;
        margin-left: 5px;
        color: #3860f5;
    }
    .use {
        color: #636785;
        font-size: 16px;
        margin-top: 8px;
    }
    .use-sm {
        color: #636785;
        font-size: 14px;
    }
    .text-box {
        display: inline-block;
        color: #3860f5;
        font-size: 14px;
        font-family: Source Han Sans CN;
        font-weight: 400;
        padding: 2px 6px;
        background: #eaefff;
        border: 1px solid #3860f5;
        border-radius: 5px;
    }
}

.bg-gray + .bg-gray {
    padding-top: 0;
}
.bg-white + .bg-white {
    padding-top: 0;
}

.mask {
    position: fixed;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}
.mask .popup {
    border-radius: 10px;
}
.mask .popup h1 {
    background: url(/static/img/bg_login.5345cb0.png) center / cover no-repeat;
    font-size: 16px;
    color: #ffffff;
    text-align: center;
    font-weight: 500;
    padding: 20px 30px;
    line-height: 28px;
    margin-bottom: 0;
}
.mask .popup .contact-info {
    background: #ffffff;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
}
.mask .popup .contact-info .doclose {
    padding: 5px 15px;
    background: #2693e7;
    border-radius: 26px;
    color: #ffffff;
    padding: 8px 70px;
    border: none;
    outline: none;
    margin-top: 25px;
}

input[type="text"].formFieldError,
input[type="password"].formFieldError,
input[type="email"].formFieldError,
textarea.formFieldError {
    border-color: #e34444 !important;
}
.error-tip {
    color: #e34444;
    text-align: left;
}

.swiper-container2 {
    width: 100%;
    .swiper-slide {
        background-position: center;
        background-size: cover;
        display: flex;
        align-items: center;
        .slide-content {
            border-radius: 10px 10px 0px 0px;
            background-color: white;
            box-shadow: 0px 0px 5px 5px rgba(210, 214, 221, 0.48);
            height: 96%;
            position: relative;
            display: flex;
            flex-direction: column;
            text-align: left;
            align-items: center;
            padding: 4%;
            .row {
                margin-left: 0;
                margin-right: 0;
            }
            .topArea {
                display: flex;
                .img {
                    width: 100%;
                }
                .content {
                    .title {
                        display: inline-flex;
                        align-items: center;
                        > div {
                            color: #2c2f49;
                            font-weight: bold;
                            font-size: 20px;
                            margin-right: 0.5rem;
                        }
                    }
                    .subtitle {
                        color: #636785;
                        font-size: 16px;
                    }
                }
            }
        }
    }
}

@media (max-width: 321.98px) {
    .section {
        padding: 20px 0;
        .title {
            font-size: 22px;
            color: #181a49;
            font-weight: bold;
            letter-spacing: normal;
            text-align: center;
        }
        .subtitle {
            font-size: 18px;
            color: #636785;
            text-align: center !important;
        }
        .col-12 {
            text-align: center;
        }
        .num {
            font-size: 28px;
        }
        .num-sm {
            font-size: 22px;
        }
    }
}

@media (max-width: 575.98px) {
    .swiper-container2 {
        .slide-content {
            padding: 10px;
            .row {
                margin-left: 0;
                margin-right: 0;
                .col-12 {
                    padding-left: 0;
                    padding-right: 0;
                }
            }
        }
    }
}

@media (min-width: 320px) and (max-width: 575.98px) {
    .section {
        padding: 20px 0;
        .title {
            font-size: 24px;
            color: #181a49;
            font-weight: bold;
            letter-spacing: normal;
            text-align: center;
        }
        .subtitle {
            font-size: 16px;
            color: #636785;
            text-align: center !important;
        }
        .col-12 {
            text-align: center;
        }
        .num {
            font-size: 28px;
        }
    }
}
@media (min-width: 576px) and (max-width: 767.98px) {
    .section {
        padding: 30px 0;
        .title {
            font-size: 24px;
            color: #181a49;
            font-weight: bold;
            letter-spacing: normal;
        }
        .subtitle {
            font-size: 18px;
            color: #636785;
        }
    }
}
@media (min-width: 768px) and (max-width: 991.98px) {
    .section {
        padding: 30px 0;
        .title {
            font-size: 32px;
            color: #181a49;
            font-weight: bold;
            letter-spacing: 2px;
        }
        .subtitle {
            font-size: 18px;
            color: #636785;
        }
    }
}

* {
  margin: 0;
  padding: 0;
}

body {
  background-color: rgb(222, 235, 254);
}

.login {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  top: 0;
  background: url(/static/img/login_page_bg.08b08a0.jpg) no-repeat;
  background-size: cover;
  display: flex;
  justify-content: center;
  align-items: center;
}

.login .login-box {
  /* max-width: 1033px; */
  background: white;
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  /* height: auto; */
  overflow: hidden;
}

.login .login-box .left-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 50%;
  background: url(/static/img/login_page_left_img.f1115a6.png) no-repeat;
  background-size: auto 100%;
  background-position: -60px;
  align-self: stretch;
}
.login .login-box .left-area .title {
  font-size: 20px;
  font-weight: 400;
  color: rgba(255, 255, 255, 1);
  line-height: 96px;
}
.login .login-box .left-area .sub-title {
  font-size: 14px;
  font-weight: 400;
  color: rgba(255, 255, 255, 1);
  background: rgba(83, 51, 255, 1);
  border-radius: 21px;
  padding: 10px 29px;
  letter-spacing: 10px;
}

.login .login-box .right-area {
  align-self: stretch;
  text-align: center;
  padding: 30px 54px;
  width: 485px;
}

.login .login-box .right-area .tips {
  font-size: 16px;
  /* font-weight: bold; */
  color: #181a49;
  margin: 24px 0;
}
.login .login-box .right-area .form-control {
  width: 100%;
  height: 40px;
  box-sizing: border-box;
  padding: 10px;
  font-size: 16px;
  margin: 10px 0;
  border: 1px solid #dcdcdc;
}

.login .login-box .right-area .form-control:first-child {
  margin-top: 0;
}

.login .login-box .right-area .submit-btn {
  width: 100%;
  height: 54px;
  line-height: 54px;
  color: white;
  border-radius: 2px;
  background: linear-gradient(to right, rgb(81, 144, 255), rgb(13, 62, 189));
  cursor: pointer;
  margin-top: 10px;
  margin-bottom: 10px;
  border: none;
  outline: none;
}
.login .login-box .right-area .submit-btn:hover {
  background: linear-gradient(to right, rgba(81, 144, 255, 0.8), rgba(13, 62, 189, 0.8));
}
.login .login-box .right-area .agreement {
  text-align: left;
  font-size: 14px;
  display: flex;
  align-items: center;
}

.login .login-box .right-area .agreement label {
  padding-top: 0;
  width: auto;
  margin-left: 5px;
}

.form-control::-webkit-input-placeholder {
  color: #d8d8d8;
}
.form-control:-moz-placeholder {
  /* Firefox 18- */
  color: #d8d8d8;
}
.form-control::-moz-placeholder {
  /* Firefox 19+ */
  color: #d8d8d8;
}
.form-control:-ms-input-placeholder {
  color: #d8d8d8;
}

.alert {
  position: relative;
  padding: 0.75rem 1.25rem;
  margin-bottom: 1rem;
  border: 1px solid transparent;
  border-radius: 0.25rem;
}

.alert-danger {
  color: #721c24;
  background-color: #f8d7da;
  border-color: #f5c6cb;
}

.alert-success {
  color: #155724;
  background-color: #d4edda;
  border-color: #c3e6cb;
}

.mask {
  position: fixed;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
}
.mask .popup {
  border-radius: 10px;
}
.mask .popup h1 {
  background: url(/static/img/bg_login.5345cb0.png) center / cover no-repeat;
  font-size: 16px;
  color: #ffffff;
  text-align: center;
  font-weight: 500;
  padding: 20px 30px;
  line-height: 28px;
}
.mask .popup .contact-info {
  background: #ffffff;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px;
}
.mask .popup .contact-info .doclose {
  padding: 5px 15px;
  background: #2693e7;
  border-radius: 26px;
  color: #ffffff;
  padding: 8px 70px;
  border: none;
  outline: none;
  margin-top: 25px;
}

@media (max-width: 991px) {
  .login .login-box .left-area {
    display: none;
  }
  .login .login-box .right-area {
    padding: 0 10px;
  }
}


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