.m-header {
  display: none;
}

.m-main {
  display: none;
}

.m-menu-bottom {
  display: none;
}

.m-menu-container {
  display: none;
}

.m-menu-container-phone {
  display: none;
}

.m-objects {
  display: none;
}

.m-tech {
  display: none;
}

.m-obj-popup {
  display: none;
}

.m-tech-popup {
  display: none;
}

.m-docs {
  display: none;
}

.m-contacts {
  display: none;
}

.m-footer {
  display: none;
}

@media (max-width: 991px) {
  .body {
    overflow: auto;
    max-width: 100%;
    font-family: 'Open Sans', sans-serif;
  }

  .m-header {
    position: fixed;
    left: 0px;
    top: 0px;
    right: 0px;
    z-index: 11;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    width: 100%;
    height: 85px;
    padding-right: 10%;
    padding-left: 15%;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    -ms-flex-pack: justify;
    justify-content: space-between;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    background-color: #fff;
    -webkit-perspective: 1000px;
    perspective: 1000px;
  }

  .m-logo-container {
    width: 25%;
    height: 95%;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-perspective: 1000px;
    perspective: 1000px;
  }

  .m-header-text-container {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    width: 55%;
    height: 95%;
    padding-top: 3px;
    padding-bottom: 3px;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-justify-content: space-around;
    -ms-flex-pack: distribute;
    justify-content: space-around;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
  }

  .m-logo1 {
    position: absolute;
    left: 0px;
    top: 0px;
    right: 0px;
    bottom: 0px;
    display: block;
    height: 100%;
    margin-right: auto;
    margin-left: auto;
  }

  .m-logo2 {
    position: absolute;
    left: 0px;
    top: 6%;
    right: 0px;
    bottom: 6%;
    display: block;
    height: 88%;
    margin-right: auto;
    margin-left: auto;
    opacity: 0;
  }

  .m-header-text-group {
    font-size: 22px;
    text-align: center;
  }

  .m-header-text-block {
    height: 25px;
    min-width: 70%;
    -webkit-perspective: 1000px;
    perspective: 1000px;
  }

  .m-header-text-1 {
    position: absolute;
    left: 0px;
    top: 0px;
    right: 0px;
    bottom: 0px;
    margin-top: 0px;
    margin-bottom: 0px;
    color: #00448f;
    font-size: 25px;
    line-height: 25px;
    text-align: center;
  }

  .m-cb-block {
    position: absolute;
    top: 0px;
    right: 0px;
    bottom: 0px;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    width: 45px;
    height: 100%;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-justify-content: space-around;
    -ms-flex-pack: distribute;
    justify-content: space-around;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    background-color: #053a64;
  }

  .m-phone {
    width: 85%;
    height: 40%;
    background-image: url('../images/call-answer.svg');
    background-position: 50% 50%;
    background-size: contain;
    background-repeat: no-repeat;
  }

  .m-mail {
    width: 85%;
    height: 40%;
    background-image: url('../images/email.svg');
    background-position: 50% 50%;
    background-size: contain;
    background-repeat: no-repeat;
  }

  .m-header-line {
    display: none;
    width: 100%;
    height: 1px;
    background-color: #fff;
  }

  .m-link-phone {
    color: #fff;
    text-decoration: none;
    text-transform: uppercase;
  }

  .m-main {
    display: block;
    width: 100%;
    height: 70vh;
    margin-top: 139px;
    background-color: rgba(0, 82, 147, .6);
    background-image: -webkit-linear-gradient(270deg, rgba(0, 82, 147, .6), rgba(0, 82, 147, .6)), url('../images/work-light-technology-bridge-night-tool.jpg');
    background-image: linear-gradient(180deg, rgba(0, 82, 147, .6), rgba(0, 82, 147, .6)), url('../images/work-light-technology-bridge-night-tool.jpg');
    background-position: 0px 0px, 50% 50%;
    background-size: auto, cover;
    background-repeat: repeat, no-repeat;
    -webkit-perspective: 1000px;
    perspective: 1000px;
  }

  .m-main-container {
    position: absolute;
    left: 0px;
    top: 0px;
    right: 0px;
    bottom: 0px;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
  }

  .m-text1 {
    display: inline-block;
    margin-right: 5px;
    color: #fff;
    font-size: 105px;
    line-height: 85px;
    font-weight: 700;
  }

  .m-text2 {
    display: inline-block;
    color: #fff;
    font-size: 55px;
    line-height: 50px;
    font-weight: 700;
  }

  .m-header-text-2 {
    position: absolute;
    left: 0px;
    top: 0px;
    right: 0px;
    bottom: 0px;
    margin-top: 0px;
    margin-bottom: 0px;
    opacity: 0;
    color: #00448f;
    font-size: 25px;
    line-height: 25px;
    text-align: center;
  }

  .m-menu-bottom {
    display: none;
  }

  .m-text-slide1 {
    margin-bottom: 10px;
    color: #fff;
    font-size: 27px;
    line-height: 30px;
    font-weight: 600;
  }

  .m-text-slide2 {
    margin-bottom: 10px;
    color: #fff;
    font-size: 27px;
    line-height: 27px;
    font-weight: 600;
  }

  .m-text-slide3 {
    margin-bottom: 10px;
    color: #fff;
    font-size: 27px;
    line-height: 27px;
    font-weight: 600;
  }

  .m-text1-2 {
    display: inline-block;
    margin-right: 10px;
    font-family: Ubuntu, Helvetica, sans-serif;
    color: #fff;
    font-size: 85px;
    line-height: 70px;
    font-weight: 800;
  }

  .left-arrow {
    display: none;
  }

  .right-arrow {
    display: none;
  }

  .m-main-slider {
    width: 100%;
    height: 100%;
    background-color: transparent;
  }

  .m-slide-container {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    width: 100%;
    height: 100%;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
  }

  .m-menu-container {
    position: fixed;
    left: 0px;
    top: 85px;
    right: 0px;
    z-index: 5;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    width: 100%;
    height: 55px;
    -webkit-justify-content: space-around;
    -ms-flex-pack: distribute;
    justify-content: space-around;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    background-color: #005293;
    color: #fff;
    font-weight: 600;
  }

  .m-objects {
    display: block;
    width: 100%;
    padding: 85px 6% 25px;
  }

  .m-h2 {
    margin-top: 0px;
    margin-bottom: 0px;
  }

  .left-arrow-2 {
    left: -35px;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    width: 50px;
    height: 100%;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
  }

  .right-arrow-2 {
    right: -35px;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    width: 50px;
    height: 100%;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
  }

  .m-arrow-back {
    width: 45px;
    height: 45px;
    background-image: url('../images/back.svg');
    background-position: 50% 50%;
    background-size: contain;
    background-repeat: no-repeat;
  }

  .m-arrow-next {
    width: 45px;
    height: 45px;
    background-image: url('../images/next.svg');
    background-position: 50% 50%;
    background-size: contain;
    background-repeat: no-repeat;
  }

  .slider {
    background-color: transparent;
  }

  .m-slide-obj {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    width: 100%;
    height: 100%;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
  }

  .m-slide-obj-left-block {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    width: 50%;
    padding: 4%;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
  }

  .m-slide-obj-right-block {
    width: 50%;
    padding: 4%;
    -webkit-perspective: 1000px;
    perspective: 1000px;
    overflow: auto;
  }

  .m-slide-obj-right-block::-webkit-scrollbar {
    width: 1em;
  }

  .m-slide-obj-right-block::-webkit-scrollbar-track {
    -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.3);
  }

  .m-slide-obj-right-block::-webkit-scrollbar-thumb {
    background-color: darkgrey;
    outline: 1px solid slategrey;
  }

  .m-obj-img {
    max-height: 100%;
  }

  .m-mini-line {
    width: 30%;
    height: 3px;
    margin-top: 15px;
    margin-bottom: 25px;
    background-color: #005293;
  }

  .slide-nav {
    display: block;
    margin-bottom: -30px;
  }

  .m-tech {
    display: block;
    width: 100%;
    min-height: 300px;
    padding: 85px 6% 25px;
    background-color: rgba(0, 82, 147, .9);
    color: #fff;
  }

  .m-mini-line-white {
    width: 30%;
    height: 3px;
    margin-top: 15px;
    margin-bottom: 25px;
    background-color: #f5f5f5;
  }

  .m-arrow-back-white {
    width: 45px;
    height: 45px;
    background-image: url('../images/back-white.svg');
    background-position: 50% 50%;
    background-size: contain;
    background-repeat: no-repeat;
  }

  .m-arrow-next-white {
    width: 45px;
    height: 45px;
    background-image: url('../images/next-white.svg');
    background-position: 50% 50%;
    background-size: contain;
    background-repeat: no-repeat;
  }

  .m-button-tech {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    width: 160px;
    margin-top: 25px;
    margin-right: auto;
    margin-left: auto;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    border: 1px solid #fff;
    border-radius: 5px;
    background-color: transparent;
    text-transform: uppercase;
  }

  .m-tech-callback {
    position: absolute;
    left: 0px;
    top: 0px;
    right: 0px;
    bottom: 0px;
    background-color: #005293;
  }

  .m-form-header {
    margin-bottom: 7px;
    font-size: 17px;
    font-weight: 600;
    text-align: center;
  }

  .form {
    font-weight: 400;
  }

  .m-form-text {
    font-weight: 600;
  }

  .submit-button {
    display: block;
    margin-top: 18px;
    margin-right: auto;
    margin-left: auto;
    border: 1px solid #fff;
    border-radius: 5px;
    background-color: transparent;
    text-transform: uppercase;
  }

  .form-2 {
    width: 97%;
  }

  .m-obj-button-about {
    display: block;
    width: 130px;
    margin-right: auto;
    margin-left: auto;
    border: 1px solid #005293;
    border-radius: 5px;
    background-color: transparent;
    color: #005293;
    font-weight: 600;
    text-align: center;
    text-transform: uppercase;
  }

  .m-obj-popup {
    position: fixed;
    left: 0px;
    top: 0px;
    right: 0px;
    bottom: 0px;
    z-index: 10;
    display: none;
    overflow: auto;
    padding: 120px 30px 30px;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    background-color: #005293;
    opacity: 0;
    -webkit-perspective: 1000px;
    perspective: 1000px;
  }

  .m-obj-popup-top {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    width: 100%;
    height: 50%;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    -ms-flex-pack: justify;
    justify-content: space-between;
    -webkit-box-align: stretch;
    -webkit-align-items: stretch;
    -ms-flex-align: stretch;
    align-items: stretch;
  }

  .m-obj-popup-bottom {
    width: 80%;
    height: auto;
    color: #fff;
  }

  .m-obj-popup-img-block {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    width: 45%;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: stretch;
    -webkit-align-items: stretch;
    -ms-flex-align: stretch;
    align-items: stretch;
  }

  .m-obj-popup-text-block {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    width: 55%;
    padding: 10px;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    color: #fff;
    text-align: justify;
  }

  .m-obj-popup-close-container {
    position: absolute;
    top: 100px;
    right: 15px;
    z-index: 12;
    width: 35px;
    height: 35px;
    -webkit-perspective: 1000px;
    perspective: 1000px;
  }

  .m-obj-popup-close-left {
    position: absolute;
    right: 0px;
    bottom: 0px;
    width: 35px;
    height: 35px;
    background-image: url('../images/cancel-left.svg');
    background-position: 50% 50%;
    background-size: contain;
    background-repeat: no-repeat;
  }

  .m-obj-popup-close-right {
    position: absolute;
    top: 0px;
    right: 0px;
    width: 35px;
    height: 35px;
    background-image: url('../images/cancel-right.svg');
    background-position: 50% 50%;
    background-size: contain;
    background-repeat: no-repeat;
  }

  .m-obj-popup-heading {
    font-size: 25px;
    text-align: center;
  }

  .m-obj-popup-techinfo-heading {
    margin-bottom: 25px;
    font-size: 22px;
    line-height: 25px;
    font-weight: 600;
    text-align: center;
  }

  .m-obj-popup-row {
    height: 40px;
  }

  .m-obj-popup-column-left {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    width: 70%;
    height: 40px;
    float: left;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
  }

  .m-obj-popup-column-right {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    width: 30%;
    height: 40px;
    float: left;
    -webkit-box-pack: start;
    -webkit-justify-content: flex-start;
    -ms-flex-pack: start;
    justify-content: flex-start;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
  }

  .m-obj-popup-strong {
    font-size: 19px;
    font-weight: 600;
  }

  .m-obj-popup-line {
    display: block;
    width: 100%;
    height: 2px;
    float: left;
    background-color: silver;
  }

  .m-obj-popup-techinfo-container {
    width: 100%;
    height: auto;
    min-height: 200px;
  }

  .m-tech-popup {
    position: fixed;
    left: 0px;
    top: 0px;
    right: 0px;
    bottom: 0px;
    z-index: 10;
    display: none;
    overflow: auto;
    padding: 120px 30px 30px;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    background-color: #005293;
    opacity: 0;
    -webkit-perspective: 1000px;
    perspective: 1000px;
  }

  .m-tech-popup-close-container {
    position: absolute;
    top: 100px;
    right: 15px;
    z-index: 12;
    width: 35px;
    height: 35px;
    -webkit-perspective: 1000px;
    perspective: 1000px;
  }

  .m-tech-popup-close-right {
    position: absolute;
    top: 0px;
    right: 0px;
    width: 35px;
    height: 35px;
    background-image: url('../images/cancel-right.svg');
    background-position: 50% 50%;
    background-size: contain;
    background-repeat: no-repeat;
  }

  .m-tech-popup-close-left {
    position: absolute;
    right: 0px;
    bottom: 0px;
    width: 35px;
    height: 35px;
    background-image: url('../images/cancel-left.svg');
    background-position: 50% 50%;
    background-size: contain;
    background-repeat: no-repeat;
  }

  .m-tech-popup-top {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    width: 100%;
    height: 70%;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-pack: start;
    -webkit-justify-content: flex-start;
    -ms-flex-pack: start;
    justify-content: flex-start;
    -webkit-box-align: stretch;
    -webkit-align-items: stretch;
    -ms-flex-align: stretch;
    align-items: stretch;
  }

  .m-tech-popup-bottom {
    width: 100%;
    height: 30%;
    padding-right: 15px;
    padding-left: 15px;
    color: #fff;
  }

  .m-tech-popup-left {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    width: 100%;
    height: 50%;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
  }

  .m-tech-popup-right {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    width: 100%;
    height: 50%;
    padding-right: 15px;
    padding-left: 15px;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: stretch;
    -webkit-align-items: stretch;
    -ms-flex-align: stretch;
    align-items: stretch;
    color: #fff;
    text-align: justify;
  }

  .m-tech-popup-heading {
    text-align: center;
  }

  .image {
    height: 100%;
    max-height: 100%;
    max-width: auto;
  }

  .m-popup-h4 {
    text-align: center;
  }

  .m-submit-button-tech {
    display: block;
    margin: 15px auto;
    border: 1px solid #fff;
    border-radius: 5px;
    background-color: transparent;
    font-weight: 600;
    text-transform: uppercase;
  }

  .paragraph {
    text-align: justify;
  }

  .text-block {
    font-size: 12px;
    text-align: center;
  }

  .m-docs {
    display: block;
    width: 100%;
    min-height: 300px;
    padding: 85px 6% 25px;
  }

  .m-contacts {
    display: block;
    width: 100%;
    min-height: 300px;
    padding: 85px 6% 25px;
    background-color: rgba(0, 82, 147, .9);
    color: #fff;
  }

  .m-footer {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    width: 100%;
    height: 65px;
    padding-right: 6%;
    padding-left: 6%;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    -ms-flex-pack: justify;
    justify-content: space-between;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
  }

  .m-doc-container {
    display: inline-block;
    width: 21%;
    height: auto;
    min-height: 100px;
    margin-right: 2%;
    margin-bottom: 35px;
    margin-left: 2%;
    float: none;
    color: #333;
    text-decoration: none;
  }

  .m-doc-img {
    height: 100px;
    margin-bottom: 10px;
    background-image: url('../images/agreementmob.svg');
    background-position: 50% 50%;
    background-size: contain;
    background-repeat: no-repeat;
  }

  .m-doc-text {
    text-align: center;
  }

  .m-contacts-text {
    line-height: 30px;
  }

  .m-map {
    width: 100%;
    height: 300px;
    margin-top: 20px;
  }

  .m-politics-link {
    color: #005293;
    font-weight: 600;
    text-decoration: none;
  }

  .m-advart {
    width: 25%;
    height: 80%;
    background-image: url('../images/logo_author.svg');
    background-position: 50% 50%;
    background-size: contain;
    background-repeat: no-repeat;
  }

  .m-about {
    padding: 85px 6% 25px;
  }

  .image-2 {
    margin-right: 25px;
    margin-bottom: 20px;
    float: left;
  }
}

@media (max-width: 767px) {
  .m-header {
    padding-right: 55px;
    padding-left: 15px;
  }

  .m-logo2 {
    display: block;
  }

  .m-main {
    height: 350px;
  }

  .m-h2 {
    font-size: 27px;
  }

  .slider {
    height: auto;
  }

  .m-slide-obj {
    height: auto;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-pack: start;
    -webkit-justify-content: flex-start;
    -ms-flex-pack: start;
    justify-content: flex-start;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
  }

  .m-slide-obj-left-block {
    width: 80%;
    min-height: 200px;
  }

  .m-slide-obj-right-block {
    width: 100%;
  }

  .m-obj-img {
    height: 200px;
    max-width: 100%;
  }

  .slide-nav {
    bottom: -25px;
    margin-bottom: 0px;
  }

  .m-obj-popup {
    overflow: auto;
  }

  .slide {
    height: auto;
  }

  .mask {
    height: auto;
  }

  .m-tech-popup {
    overflow: auto;
  }

  .m-doc-img {
    height: 85px;
  }

  .m-doc-text {
    font-size: 13px;
    line-height: 17px;
  }
}

@media (max-width: 479px) {
  .body {
    padding-bottom: 45px;
  }

  .m-header {
    z-index: 11;
    padding-right: 0px;
    padding-left: 0px;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    -ms-flex-pack: justify;
    justify-content: space-between;
  }

  .m-logo-container {
    width: 35%;
    height: 100%;
    max-width: 100%;
    min-width: 75px;
    margin-left: 3px;
  }

  .m-header-text-container {
    width: 60%;
    margin-right: 3px;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
  }

  .m-logo2 {
    top: 2%;
    bottom: 2%;
    width: 100%;
    height: 96%;
  }

  .m-header-text-group {
    margin-bottom: 5px;
    font-size: 5vw;
  }

  .m-header-text-block {
    width: 100%;
    text-align: center;
  }

  .m-header-text-1 {
    font-size: 5.7vw;
  }

  .m-cb-block {
    position: static;
    width: 40px;
    min-width: 40px;
  }

  .m-phone {
    height: 35%;
  }

  .m-mail {
    height: 35%;
  }

  .m-link-phone {
    display: block;
  }

  .m-link-phone.m-margin-top {
    margin-top: 10%;
  }

  .m-link-phone.m-margin-bottom {
    margin-bottom: 10%;
  }

  .m-main {
    height: 80vh;
    margin-top: 84px;
    background-image: -webkit-linear-gradient(270deg, rgba(0, 82, 147, .5), rgba(0, 82, 147, .5)), url('../images/work-light-technology-bridge-night-tool.jpg');
    background-image: linear-gradient(180deg, rgba(0, 82, 147, .5), rgba(0, 82, 147, .5)), url('../images/work-light-technology-bridge-night-tool.jpg');
    background-position: 0px 0px, 27% 50%;
    background-size: auto, cover;
    background-repeat: repeat, no-repeat;
  }

  .m-text1 {
    margin-right: 5px;
    font-size: 95px;
    line-height: 80px;
  }

  .m-text2 {
    font-size: 45px;
  }

  .m-header-text-2 {
    font-size: 5.7vw;
  }

  .m-menu-lines-container {
    position: fixed;
    left: 0px;
    right: 0px;
    bottom: 0px;
    display: block;
    width: 45px;
    height: 45px;
    margin-right: auto;
    margin-left: auto;
    background-color: #005293;
    -webkit-perspective: 1000px;
    perspective: 1000px;
  }

  .m-menu-line1 {
    position: absolute;
    left: 0px;
    top: 5px;
    right: 0px;
    bottom: 5px;
    display: block;
    width: 35px;
    max-width: 35px;
    margin-right: auto;
    margin-left: auto;
    background-image: url('../images/menu-button-of-three-lines-1.svg');
    background-position: 50% 50%;
    background-size: contain;
    background-repeat: no-repeat;
  }

  .m-menu-line2 {
    position: absolute;
    left: 0px;
    top: 5px;
    right: 0px;
    bottom: 5px;
    display: block;
    width: 35px;
    max-width: 35px;
    margin-right: auto;
    margin-left: auto;
    background-image: url('../images/menu-button-of-three-lines-2.svg');
    background-position: 50% 50%;
    background-size: contain;
    background-repeat: no-repeat;
  }

  .m-menu-line3 {
    position: absolute;
    left: 0px;
    top: 5px;
    right: 0px;
    bottom: 5px;
    display: block;
    width: 35px;
    max-width: 35px;
    margin-right: auto;
    margin-left: auto;
    background-image: url('../images/menu-button-of-three-lines-3.svg');
    background-position: 50% 50%;
    background-size: contain;
    background-repeat: no-repeat;
  }

  .m-menu-lineleft {
    position: absolute;
    left: 0px;
    top: 50%;
    right: 0px;
    display: block;
    width: 35px;
    height: 35px;
    margin-right: auto;
    margin-left: auto;
    background-image: url('../images/cancel-left.svg');
    background-position: 50% 50%;
    background-size: contain;
    background-repeat: no-repeat;
    -webkit-transform: translate(0px, -50%);
    -ms-transform: translate(0px, -50%);
    transform: translate(0px, -50%);
  }

  .m-menu-lineright {
    position: absolute;
    left: 0px;
    top: 50%;
    right: 0px;
    display: block;
    width: 35px;
    height: 35px;
    margin-right: auto;
    margin-left: auto;
    background-image: url('../images/cancel-right.svg');
    background-position: 50% 50%;
    background-size: contain;
    background-repeat: no-repeat;
    -webkit-transform: translate(0px, -50%);
    -ms-transform: translate(0px, -50%);
    transform: translate(0px, -50%);
  }

  .m-menu-bottom {
    position: fixed;
    left: 0px;
    right: 0px;
    bottom: 0px;
    z-index: 5;
    display: block;
    width: 100%;
    height: 45px;
    background-color: #005293;
    -webkit-perspective: 1000px;
    perspective: 1000px;
  }

  .m-text-slide1 {
    color: #fff;
    font-size: 22px;
    line-height: 27px;
    font-weight: 600;
  }

  .m-text-slide2 {
    color: #fff;
    font-size: 22px;
    line-height: 27px;
    font-weight: 600;
  }

  .m-text-slide3 {
    color: #fff;
    font-size: 22px;
    line-height: 27px;
    font-weight: 600;
  }

  .m-text1-2 {
    margin-right: 10px;
    font-size: 65px;
    line-height: 65px;
  }

  .left-arrow {
    display: none;
  }

  .right-arrow {
    display: none;
  }

  .m-main-slider {
    width: 100%;
    height: 100%;
    background-color: transparent;
  }

  .m-slide-container {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    width: 100%;
    height: 100%;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
  }

  .m-menu-container {
    left: 0px;
    top: auto;
    right: auto;
    bottom: 45px;
    z-index: 5;
    overflow: hidden;
    width: 100%;
    height: 0px;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-justify-content: space-around;
    -ms-flex-pack: distribute;
    justify-content: space-around;
    border-bottom: 0.2px solid hsla(0, 0%, 100%, .99);
  }

  .m-menu-container-phone {
    position: fixed;
    bottom: 45px;
    z-index: 5;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    overflow: hidden;
    width: 100%;
    height: 0px;
    margin-right: auto;
    margin-left: auto;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-justify-content: space-around;
    -ms-flex-pack: distribute;
    justify-content: space-around;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    background-color: #005293;
  }

  .m-objects {
    overflow: hidden;
  }

  .left-arrow-2 {
    left: -25px;
    width: 40px;
  }

  .right-arrow-2 {
    right: -25px;
    width: 40px;
  }

  .m-arrow-back {
    height: 30px;
  }

  .m-arrow-next {
    height: 30px;
  }

  .m-tech {
    overflow: hidden;
    background-color: rgba(0, 82, 147, .9);
  }

  .m-arrow-back-white {
    height: 30px;
  }

  .m-arrow-next-white {
    height: 30px;
  }

  .m-tech-callback {
    background-color: rgba(0, 82, 147, .8);
  }

  .m-obj-popup {
    display: none;
    overflow: auto;
    padding-right: 10px;
    padding-left: 10px;
    -webkit-box-pack: start;
    -webkit-justify-content: flex-start;
    -ms-flex-pack: start;
    justify-content: flex-start;
    opacity: 0;
  }

  .m-obj-popup-top {
    height: auto;
    min-height: 500px;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-pack: start;
    -webkit-justify-content: flex-start;
    -ms-flex-pack: start;
    justify-content: flex-start;
  }

  .m-obj-popup-bottom {
    width: 100%;
    height: auto;
  }

  .m-obj-popup-img-block {
    width: 100%;
  }

  .m-obj-popup-text-block {
    width: 100%;
    height: auto;
  }

  .m-obj-popup-close-right {
    z-index: 12;
  }

  .m-obj-popup-row {
    width: 100%;
  }

  .m-obj-popup-column-left {
    height: 45px;
  }

  .m-obj-popup-strong {
    font-size: 18px;
  }

  .m-tech-popup {
    display: none;
    overflow: auto;
    padding-right: 10px;
    padding-left: 10px;
    -webkit-box-pack: start;
    -webkit-justify-content: flex-start;
    -ms-flex-pack: start;
    justify-content: flex-start;
    opacity: 0;
  }

  .m-tech-popup-close-right {
    z-index: 12;
  }

  .m-tech-popup-top {
    display: block;
    height: auto;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-pack: start;
    -webkit-justify-content: flex-start;
    -ms-flex-pack: start;
    justify-content: flex-start;
  }

  .m-tech-popup-bottom {
    width: 100%;
    height: auto;
  }

  .m-tech-popup-left {
    height: auto;
  }

  .m-docs {
    height: auto;
    min-height: auto;
  }

  .m-doc-container {
    display: inline-block;
    width: 44%;
    height: auto;
    float: none;
  }

  .m-politics-link {
    font-size: 12px;
    line-height: 16px;
  }

  .m-advart {
    width: 45%;
    height: 60%;
  }

  .m-close-menu {
    position: absolute;
    left: 0px;
    top: 0px;
    right: 0px;
    bottom: 0px;
    z-index: 6;
    opacity: 0;
  }

  .m-open-menu {
    position: absolute;
    left: 0px;
    top: 0px;
    right: 0px;
    bottom: 0px;
    z-index: 7;
    opacity: 0;
  }
}