.nav-rw {
    max-height: 100vh;
    padding: initial;
    padding-top: 65px;
}

.nav-toggle {
    position: absolute;
    top: 0;
    opacity: 1;
    visibility: visible;
}

.nav-list {
    max-height: 0;
    width: 100vw;
    height: 100vh;
    z-index: 500;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    background-color: black;
    -webkit-transition: all 0.5s ease-in-out;
    -o-transition: all 0.5s ease-in-out;
    transition: all 0.5s ease-in-out;
    overflow: hidden;
    overflow-y: scroll;
}

.nav-list>li {
    margin: auto;
    position: relative;
    width: 100vw;
    padding: 20px 0 0;
    text-align: center;
    -webkit-transition: all ease-in-out 550ms;
    -o-transition: all ease-in-out 550ms;
    transition: all ease-in-out 550ms;
}

.nav-list>li:last-child {
    margin-bottom: 80px;
}

.nav-list li>a {
    padding-bottom: 20px;
}

.nav-list-sub-menu {
    max-height: 0;
    overflow: hidden;
    position: relative;
    width: 100%;
    padding-top: initial;
    background-color: transparent;
    opacity: 1;
    visibility: visible;
}

.nav-list-sub-menu li {
    background-color: grey;
    text-align: center;
    border-top: 1px solid;
    padding: 10px 0;
    width: 100%;
}

.nav-list li:hover>.nav-list-sub-menu {
    padding-top: initial;
}


/* index body content */

/* expertise index */
#index-service-expertise-content-row {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    padding: initial;
    width: 100vw;
}

#index-service-expertise-content-row div {
    width: 100%;
}

#index-service-expertise-offshore,
#index-service-expertise-mechanical,
#index-service-expertise-valve {
    margin: initial;
}

#index-service-expertise-offshore>div>div,
#index-service-expertise-mechanical>div>div,
#index-service-expertise-valve>div>div {
    background-size: cover;
    background-position: center;
    background-position-y: -5px;
    background-repeat: no-repeat;
}

#index-service-expertise-content-container .figcaption {
    height: 80px;
    width: 100%;
    padding: 25px;
    color: white;
    background-color: rgba(0, 0, 0, 0.400);
}

#index-client-container {
    height: initial;
}

.index-career-content-ctn {
    flex-direction: column;
}

.index-career-content-ctn div {
    margin: 0;
    border: initial;
    border-radius: initial;
    -webkit-border-radius: initial;
    -moz-border-radius: initial;
    -ms-border-radius: initial;
    -o-border-radius: initial;
}

.index-career-content-ctn div:first-child {
    margin-bottom: 10px;
}

.index-client-logo-ctn {
    flex-wrap: wrap;
}

@media all and (max-width: 500px) {
    .footer-company-sitemap-mobile-rw>ul {
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
        -webkit-box-orient: vertical;
        -webkit-box-direction: normal;
        -ms-flex-direction: column;
        flex-direction: column;
        -ms-flex-wrap: wrap;
        flex-wrap: wrap;
        text-align: center;
        margin: 0;
        -webkit-transition: all 0.8s ease-in-out;
        -o-transition: all 0.8s ease-in-out;
        transition: all 0.8s ease-in-out;
    }

    .footer-company-sitemap-mobile-rw>ul>li {
        padding: 10px;
    }
}

/* milestone */
.milestone-content-elaboration-ctn {
    flex-direction: column;
    height: initial;
    align-items: center;
    margin: 25px 0;
}

.milestone-content-elaboration-ctn:nth-child(even) {
    flex-direction: column-reverse;
}

.milestone-content-img {
    height: 150px;
    margin-bottom: 20px;
}

.milestone-content-elaboration {
    display: flex;
    flex-direction: column;
    padding: 20px;
    width: 100%;
    margin: 0;
}

.milestone-content-elaboration h2 {
    margin-bottom: 10px;
}

.milestone-content-elaboration:nth-child(odd) {
    margin: 0;
}

/*  */
.award-content-evidence-ctn>div {
    display: flex;
    margin: 20px 4vw;
}

.award-content-evidence-ctn>div>figure>img {
    width: 100%;
    height: 50vw;
}

/* expertise page */
.expertise-content-rw>div {
    flex-direction: column;
    height: initial;
}

.expertise-content-img-ctn {
    width: 100%;
    height: 250px;
}

.expertise-performance-ctn {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.expertise-performance-ctn div {
    display: flex;
    width: 100%;
    width: 250px;
    height: 250px;
}

.center {
    margin: 40px;
}

/* sustainability page */
.sustainability-header-rw {
    flex-direction: column;
    height: 550px;
    transition: all ease-in .25s;
    -webkit-transition: all ease-in .25s;
    -moz-transition: all ease-in .25s;
    -ms-transition: all ease-in .25s;
    -o-transition: all ease-in .25s;
}

.sustainability-header-content {
    width: 100%;
    padding: 50px 60px;
    height: initial;
}

#sustainability-body-ctn p {
    font-size: 14px;
}

#sustainability-body-ctn h1 {
    font-size: 15px;
}

.sutainability-qshe-quality-policy-ctn {
    flex-direction: column-reverse;
}

.sutainability-qshe-quality-policy-bg-rw {
    height: 200px;
    width: 100%;
}

.sutainability-qshe-objective-ctn {
    flex-direction: column-reverse;
}

.sutainability-qshe-objective-bg-rw {
    height: 200px;
    width: 100%;
}

.sustainability-header-background {
    width: 100%;
}

.sustainability-csr-activity-ctn {
    flex-wrap: wrap;
    height: auto;
}

.sustainability-csr-activity-picture-ctn {
    display: flex;
    width: 50%;
    height: 180px;
}

/* career page */

.career-content-ctn {
    margin: 0;
    padding: 0;
    width: 100vw;
}

.career-content-rw {
    flex-direction: column;
}

.career-content-background {
    width: 100vw;
}

.career-content {
    width: 100%;
    margin: 0;
    padding: 50px;
}

@media all and (max-width: 765px) {
    .contactus-form-ctn {
        -webkit-box-orient: vertical;
        -webkit-box-direction: normal;
        -ms-flex-direction: column;
        flex-direction: column;
    }

    .contactus-form-companyinfo-ctn {
        width: 100%;
    }

    .contactus-form-companyinfo-pure h4 {
        text-align: left;
    }

    .contactus-form-ctn h2 {
        text-align: left;
    }

    .contactus-form-companyform-ctn {
        width: 100%;
    }

    .contactus-form-companyform-ctn h2 {
        margin: 15px 0 0 0;
    }

    .contactus-form-companyform-rw {
        margin: 10px 0 0 0px;
        width: 100%;
        -webkit-box-align: left;
        -ms-flex-align: left;
        align-items: left;
    }

    .contactus-form-companyform-rw input,
    .contactus-form-companyform-rw textarea {
        width: 100%;
    }

    .key-content-rw figure {
        width: 100%;
        height: auto;
        margin: 15px 30px;
        margin-bottom: 55px;
    }

    .key-content-rw figure>img {
        width: 100%;
    }
}

.career-header-ctn {
    background-position: bottom right;
}