* {
   padding: 0;
   margin: 0;
   box-sizing: border-box;
}

body {
   color: #3b76ae;
   font-family: "M PLUS 1", sans-serif;
}

html {
   scroll-behavior: smooth;
}

header {
   transition: opacity 0.5s;
   background-color: #fafafa;
   border-radius: 0 0 9px 9px;
   border-bottom: 4px solid #3b76ae;
   display: grid;
   grid-template-columns: auto 1fr auto;
   padding: 5px 20px;
   position: fixed;
   top: 0;
   z-index: 3;
   width: 100%;
   box-shadow: 0px 1px 10px black;
}
.selected {
   color: #a3a5a7;
   pointer-events: none;
}

.mobile {
   display: none;
}
.mobile img {
   transition: 1s ease;
}
.center {
   display: flex;
   justify-content: center;
   justify-items: center;
   font-size: larger;
   font-weight: 500;
}
@media (max-width: 800px) {
   .desktop {
      display: none;
   }
   .mobile {
      display: flex;
      opacity: 1;
   }
}

.eng {
   color: #a3a5a7;
   pointer-events: none;
}

a.logo img {
   height: 40px;
   width: auto;
   color: inherit;
}

.right {
   display: flex;
   justify-content: right;
   justify-items: center;
   font-size: larger;
   font-weight: 500;
}

header a {
   color: inherit;
}
header nav a {
   text-decoration: none;
   padding: 5px 10px;
   transition: 1s ease;
}
header nav a:hover {
   -webkit-transform: scale(0.8);
   -ms-transform: scale(0.8);
   transform: scale(0.8);
   transition: 1s ease;
}
header nav.center {
   text-align: center;
}
header nav.right {
   text-align: right;
}

.banner {
   display: flex;
   margin-right: 0px;
   margin-left: 0px;
   height: 300px;
   background-image: url("images/company.jpg");
   background-size: cover;
   margin-top: 54px;
   justify-content: center;
   align-items: center;
}
.banner h1 {
   color: #fafafa;
   font-size: xx-large;
   align-content: center;
   align-items: center;
   letter-spacing: 0.2rem;
}

.tab1 {
   display: grid;
   align-items: center;
   align-content: center;
   justify-content: center;
   grid-template-columns: 1fr 1fr;
}
@media (max-width: 800px) {
   .tab1 {
      grid-template-columns: 1fr;
      grid-template-rows: 1fr 1fr;
   }
}
.tab1 h2 {
   padding: 0px 30px;
   overflow: hidden;
   text-align: center;
   font-family: Verdana, Arial, Helvetica, sans-serif;
   font-weight: bold;
   font-size: 21px;
   margin-bottom: 15px;
}
.tab1 p {
   padding: 0px 20px;
   overflow: hidden;
   text-align: justify;
   font-family: "Lato", "Oxygen", "Open Sans", "PT Sans", sans-serif;
   font-size: 15px;
   line-height: 149%;
   margin-top: 10px;
   margin-bottom: 10px;
}
.tab1-2 {
   display: flex;
   justify-content: center;
}
@media (max-width: 800px) {
   .tab1-2 img {
      width: 90%;
   }
}

.tab2 {
   background-color: #f5f5f5;
   display: grid;
   align-items: center;
   align-content: center;
   justify-content: center;
   grid-template-columns: 1fr 1fr;
}
@media (max-width: 800px) {
   .tab2 {
      grid-template-columns: 1fr;
      grid-template-rows: 1fr 1fr;
   }
}
.tab2 h2 {
   padding: 0px 30px;
   overflow: hidden;
   text-align: center;
   font-family: Verdana, Arial, Helvetica, sans-serif;
   font-weight: bold;
   font-size: 21px;
   margin-bottom: 15px;
}
.tab2 p {
   padding: 0px 20px;
   overflow: hidden;
   text-align: justify;
   font-family: "Lato", "Oxygen", "Open Sans", "PT Sans", sans-serif;
   font-size: 15px;
   line-height: 149%;
   margin-top: 10px;
   margin-bottom: 10px;
}
.tab2-1 {
   display: flex;
   justify-content: center;
}

.tab3 {
   background-color: #337ab7;
   display: grid;
   align-items: center;
   align-content: center;
   justify-content: center;
   grid-template-columns: 1fr 1fr;
   color: #fafafa;
}
@media (max-width: 800px) {
   .tab3 {
      grid-template-columns: 1fr;
   }
}
.tab3 h2 {
   margin-top: 20px;
   padding: 0px 30px;
   overflow: hidden;
   text-align: center;
   font-family: Verdana, Arial, Helvetica, sans-serif;
   font-weight: bold;
   font-size: 21px;
   margin-bottom: 15px;
}
.tab3 p {
   padding: 0px 20px;
   overflow: hidden;
   text-align: justify;
   font-family: "Lato", "Oxygen", "Open Sans", "PT Sans", sans-serif;
   font-size: 15px;
   line-height: 149%;
   margin-top: 10px;
   margin-bottom: 10px;
}
.tab3-2 {
   display: flex;
   justify-content: center;
}
.tab3-2 img {
   width: 500px;
}
@media (max-width: 800px) {
   .tab3-2 img {
      width: 90%;
   }
}

.tab4 {
   background-color: #f5f5f5;
}
.tab4-1 h2 {
   display: flex;
   justify-content: center;
   padding-top: 17px;
   margin-bottom: 17px;
}
.tab4-2 {
   display: grid;
   grid-template-columns: 1fr 1fr 1fr;
}
.vant {
   padding-left: 10px;
   padding-right: 10px;
}
.vant p {
   text-align: justify;
   padding-left: 10px;
   padding-right: 10px;
   font-family: "Lato", "Oxygen", "Open Sans", "PT Sans", sans-serif;
   font-size: 15px;
   line-height: 149%;
   margin-top: 15px;
   margin-bottom: 15px;
}
.vant h3 {
   display: flex;
   justify-content: center;
   margin-top: 16px;
   margin-bottom: 16px;
   padding-left: 30px;
   padding-right: 30px;
   border-bottom: 1px solid #337ab7;
   border-radius: 6px 6px 6px 6px;
}

@media (max-width: 800px) {
   .tab4-2 {
      grid-template-columns: 1fr 1fr;
   }
}

footer {
   display: grid;
   grid-template-columns: 1fr 1fr;
   background-color: #a3a5a7;
}
footer img {
   height: auto;
   width: 50%;
   margin-left: 20%;
}
@media (max-width: 800px) {
   footer img {
      width: 90%;
      margin-left: 0%;
   }
}
footer .copyr {
   display: flex;
   align-items: center;
   justify-content: center;
   color: #fafafa;
}
.copyr p {
   color: #fafafa;
}

aside {
   transition: 1s ease;
   border-left: 5px solid #337ab7;
   border-bottom: 5px solid #337ab7;
   border-top: 4px solid #fafafa;
   border-radius: 6px;
   position: fixed;
   right: -220px;
   width: 220px;
   background-color: #fafafa;
   padding: 50px 30px;
   z-index: 4;
   height: fit-content;
}
aside.active {
   right: 0px;
}

aside a {
   transition: 1s ease;
   display: block;
   color: inherit;
   text-decoration: none;
   font-size: larger;
   font-weight: 500;
   padding: 5px 0;
}
aside a:hover {
   -webkit-transform: scale(0.9);
   -ms-transform: scale(0.9);
   transform: scale(0.9);
   transition: 1s ease;
}
aside .lang {
   display: flex;
   margin-top: 10px;
}
aside .lang a {
   margin-right: 10px;
}

.backdrop {
   display: none;
   position: fixed;
   inset: 0;
   background-color: rgba(0, 0, 0, 0.35);
   backdrop-filter: blur(5px);
}

.backdrop.active {
   display: block;
}