.w-about{
    width: 100%;
    position: relative;
    margin-bottom: 80px;
}
.w-about .container{    
    display: flex;
    align-items: flex-start;
}
.w-about-list{
    width: 29%; 
}
.wal-title{
    line-height: 60px;
    padding: 0px 20px;
    border-bottom: 1px solid #454545;
    margin-bottom: 12px;
    font-weight: 900;
    font-size: 20px;
    color: #454545;
}
.wal{
    list-style: none;
    padding: 0px;
    margin: 0px;
    margin-bottom: 40px;
}
.wal-item{
    width: 100%;
    padding: 18px 0px 18px 0px;
    border-bottom: 1px solid #E1E1E1;
}
.wal .wal-item:last-child{
    border-bottom: unset;
}
.wal-item, .wal-item a{
    font-weight: 600;
    font-size: 17px;
    line-height: 25px;
    color: #454545;
}
.wal-item:not(.wal-active) a:hover{
    color: #FF9900;
}
.wal-to{
    padding: 5px 5px 5px 20px;
    width: 100%;
    height: 60px;
    display: flex;
    align-items: center;
}
.wal-active .wal-to{
    background: #FFF1DC;
    border-left: 5px solid #FF9900;
}

.w-about-content{
    width: 66%;
    margin-left: 5%;
}
.wac-history, .wac-history p{
    font-size: 16px;
    line-height: 31px;
    color: #000000;
}

/* s1 speciaty */
.s1-title{
    margin-top: 55px;
    margin-bottom: 40px;
}
.ps-co .s1-title{
    margin-bottom: 26px !important;
}
.s1-title h2{
    font-weight: 900;
    font-size: 28px;
    line-height: 36px;
    color: #454545;
}
.s1-content{
    font-weight: 400;
    font-size: 16px;
    line-height: 25px;
    color: #121212;
}
.s1-content p{
    font-weight: 400;
    font-size: 16px;
    line-height: 25px;
    color: #121212;
    margin-bottom: 20px;
}
.s1-content img{
    max-width: 100% !important;
    height: auto !important;
}
.smb-content{
    margin-bottom: 4rem;
}
.s1-img{
    width: 100%;
    display: flex;
    justify-content: center;
    padding: 35px 0px;
}
.s1-img img{
    width: 88%;
}
.s2-img{
    width: 100%;
    display: flex;
    justify-content: center;
    padding: 5px 0px 55px;
}
.s3-img{
    width: 100%;
    display: flex;
    justify-content: center;
    padding: 5px 0px 35px;
}
.s3-img img{
    width: 70%;
}
.s2-img img{
    width: 89%;
}
.s1-action{
    margin-top: 40px;
}   

.s1-link{
    text-decoration: unset;
    display: inline-block;
    vertical-align: top;
    margin-right: 17px;
}
.s1-btn-brocure{
    font-weight: 600;
    font-size: 14px;
    line-height: 17px;
    color: #FFFFFF;
    padding: 14px 29px;
    background: #ED1C24;
    border-radius: 32.5px;
    display: flex;
    align-items: center;
    justify-content: center;
    column-gap: 5px;
    width: 270px;
    transition: all 300ms ease-in-out;
}

.s1-btn-yt{
    padding: 14px 29px;
    background: #FFFFFF;
    background-image: url('../../img/icon/ico-watch-yt.svg');
    background-repeat: no-repeat;
    background-position: center;
    border-radius: 32.5px;
    border: 1px solid #ED1C24;
    display: flex;
    align-items: center;
    justify-content: center;
    column-gap: 5px;
    width: 270px;
    height: 50px;
    transition: all 300ms ease-in-out;
}
/* end s1 speciaty */
.stab{
    width: 96%;
    position: relative;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 70px;
    margin-top: 20px;
    /* overflow: hidden; */
}
.stab-row{
    width: 100%;
    height: auto;
    min-height: 100px;
    position: relative;
    margin-bottom: 11px;
    /* overflow: hidden; */
}
.stab-head{
    width: 100%;
    padding: 14px 30px 14px 18px;
    background: #FFFFFF;
    box-shadow: 0px 4px 10px #F1F1F1;
    border-radius: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 3;
    cursor: pointer;
}
.stab-wrap{
    width: calc(100% - 10px);
    /* display: flex;
    align-items: center; */
    /* column-gap: 38px; */
}
.stab-icon{
    width: 72px;
    height: 72px;
    background-color: #FF9900;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 38px;
    margin-right: 38px;
    vertical-align: middle;
}
.stab-title{
    vertical-align: middle;
    width: calc(100% - 135px);
    display: inline-block;
    font-weight: 600;
    font-size: 18px;
    line-height: 25px;
    color: #FF9900;
}
.stab-nav{
    width: 10px;
    font-weight: 300;
    font-size: 23px;
    line-height: 25px;
    color: #FF9900;
}
.stab-body{
    z-index: 2;
    background: #FFFFFF;
    box-shadow: 0px 4px 10px #F1F1F1;
    border-radius: 6px;
    width: 100%;
    padding: 26px 26px 26px;
    font-weight: 500;
    font-size: 16px;
    line-height: 25px;
    position: relative;
    color: #121212;
    -webkit-transition: opacity 0.5s; 
    -moz-transition: opacity 0.5s; 
    transition: opacity 0.5s; 
    /* transform: translateY(0%); */
    /* top: -100px; */
    /* visibility: visible;
    opacity: 1;
    -webkit-transition:transform 500ms, opacity 600ms, position 600ms, visibility 600ms;
    transition:transform 500ms,  opacity 600ms, position 600ms, visibility 600ms; */
}
.stab-in{
    opacity:1;
}
.stab-out{
    opacity: 0;
}
.stab-show{
    display: none;
    /* position: absolute;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-100%); */
}
/* s2 Corrosion Control And Engineering Services */


/* end s2 Corrosion Control And Engineering Services */

@media only screen 
   and (min-width : 1601px) {
  
}
@media only screen 
   and (max-width : 1600px) {

}
@media only screen 
   and (max-width : 1400px) {
 
}
@media only screen 
   and (max-width : 1200px) {

}
@media only screen
    and (min-width : 1000px){
    .s1-btn-brocure:hover{
        transform: scale(1.02);
    }
    .s1-btn-yt:hover{
        transform: scale(1.02);
    }
    .ps-co .s1-img{
        padding: 25px 0px 61px !important;
    }
    /* .s-pipe .s1-title{
        margin-bottom: 10px !important;
    } */
    .s-pipe .s1-img{
        padding: 2px 0px 33px !important;
    }
    .s-pipe .img-pipe img{
        width: 97% !important;
    }
    .s-ca .s1-img{
        padding: 25px 0px 45px;
    }
}
@media only screen 
   and (max-width : 1000px) {
    .w-about{
        margin-bottom: 48px;
    }
    .w-about .container{
        display: block;
        align-items: unset;
    }
    .w-about-list{
        width: 100%;
        margin-bottom: 30px;
    }
    .w-about-content{
        width: 100%;
        margin-left: 0px;
    }
    .wal-title{
        font-size: 19px;
        border-bottom: unset;
        font-weight: bold;
        margin-bottom: 0px;
        padding: 0px 0px 0px;
    }
    .wal-item{
        padding: 10px 0px 10px 0px;       
    }
    .wal-item:first-child{
        padding-top: 7px;
    }
    .wal-to{
        padding: 12px 12px 12px 40px;
        height: unset;
    }   
    .wal:first-child{
        margin-bottom: 60px;
    }
    .wal:last-child{
        margin-bottom: unset;
    }
    .wal .wal-item:last-child{
        border-bottom: 1px solid #E1E1E1;
    }
    .s1-title{
        margin-top: 28px;
        margin-bottom: 10px;
    }
    .s1-title h2{
        font-weight: 900;
        font-size: 20px;
        line-height: 30px;
        color: #454545;
    }
    .s1-content{
        font-size: 14px;
        line-height: 25px;
    }
    .s1-content p{
        /* font-weight: 500; */
        font-size: 14px;
        line-height: 25px;
        margin-bottom: 20px;
    }
    .s2-img{
        padding: 20px 0px 25px;
    }
    .s1-img{
        padding: 5px 0px 34px;
    }
    .s1-img img,.s2-img img,.s3-img{
        width: 100%;
    }
    .s1-action{
        display: grid;
        justify-items: center;
        align-content: center;
        row-gap: 17px;
    }
    .s1-btn-brocure{
        width: 235px;
        font-weight: bold;
        font-size: 12px;
        line-height: 15px;
        padding: 13px 10px;
    }
    .s1-btn-yt{
        width: 235px;
        padding: 13px 10px;
        height: 48px;
        background-size: 150px auto;
    }
    .mfa-download{
        width: 16px;
        height: auto;
        background-size: 16px auto;
    }
    .w-about-content .mfa-icon{
        width: 15px !important;
    }
    .stab {
        margin-top: 10px;
        width: 100%;
        margin-bottom: 50px; 
    }
    .stab-icon{
        width: 50px;
        height: 50px;
        margin-right: 10px;
    }
    .stab-icon img{
        width: 24px;
    }
    .stab-title{
        font-weight: 600;
        font-size: 16px;
        line-height: 25px;
        width: calc(100% - 75px);
    }
    .stab-head{
        padding: 26px 17px 26px 13px;
    }
    .stab-body{
        padding: 20px 17px 20px 13px;
    }
    .ps-co .s1-img{
        padding-bottom: 30px !important;
    }
    .ps-co .s1-title{
        margin-bottom: 10px !important;
    }
    .s3-img{
        padding-bottom: 30px;
    }
    .s3-img img{
        width: 100%;
        padding: 17px 0px 0px;
    }
    .s-pipe .s1-title{
        margin-bottom: 20px;
    }
    .s-pipe .smb-content{
        margin-bottom: 28px;
    }
    .s-ca .s1-title{
        margin-bottom: 15px;
    }
    .s-ca .s1-img{
        margin-top: 40px;
    }
}
@media only screen 
   and (max-width : 370px) {
    .stab-title{
        font-weight: 600;
        font-size: 14px;
        line-height: 25px;
    }
}