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

html, body {
    width: 100%;
    height: 100%; 
}

.center {
    width: 100%;
    height: 100%;
    max-width: 1250px;
    padding: 0 15px;
}

.header {
    width: 100%;
    height: 64px;
    display: flex;
    justify-content: center;
    position: fixed;
    top: 0;
    z-index: 1000;
}

.header .center {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.header .center .left {
    display: flex;
    flex-direction: row;
    align-items: center;
}

.header .center .left img {
    width: 44px;
    height: 41px;
    margin-right: 15px;
}

.header .center .left img:nth-of-type(1) {
   display: block;
}

.header .center .left img:nth-of-type(2) {
    display: none;
 }

 .off-top .center .left img:nth-of-type(1) {
    display: none;
 }
 
 .off-top .center .left img:nth-of-type(2) {
     display: block;
  }

  .off-top {
    background-color: #FFF;
  }

.header .center .left span {
    color: #FFF;
    text-align: center;
    font-size: 20px;
    font-weight: 700;
    text-transform: uppercase;
}

.off-top .center .left span {
    color: black;
}

.header .center .right {
    padding: 9px 18px;
    justify-content: center;
    border-radius: 63px;
    border: 1px solid #FFF;
    display: flex;
    align-items: center;
    height: 42px;
}

.off-top .center .right {
    border-color: black;
}

.header .center .right a {
    color: #FFF;
    text-align: center;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
}

.off-top .center .right a {
    color: #000;
}

.part-1 {
    width: 100%;
    height: 100%;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.part-1 video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.part-1 .bg {
    width: 100%;
    height: 100%;
    opacity: 0.7;
    background: #012044;
    position: absolute;
    top: 0;
    left: 0;
}

.part-1 .center {
    position: absolute;
    top: 0;
    z-index: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.part-1 .center span{
    color: #FFF;
    font-size: 70px;
    font-weight: 900;
    line-height: 115px;
}

.part-1 .center img {
    position: absolute;
    bottom: 70px;
    width: 29.056px;
    height: 16px;
}

.part-2 {
    width: 100%;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;  
}

.part-2 .center {
    width: unset;
    max-width: unset;
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: center;
}

.part-2 .center .title {
    color: #0B1A4B;
    font-size: 50px;
    font-weight: 900;
    line-height: 70px; 
    text-align: left;
    width: 100%;
    margin-top: 137px;
}

.part-2 .center .desc {
    color: #0B1A4B;
    font-size: 20.969px;
    font-weight: 500;
    line-height: 35.2px; 
    text-align: left;
    margin-top: 20px;
    width: 100%;
}

.part-2 .center .boxs {
    display: flex;
    gap: 30px;
    margin-top: 122px;
    justify-content: center;
    flex: 1;
    margin-bottom: 142px;
}

.part-2 .center .boxs .box {
    display: flex;
    flex-direction: column;
}

.part-2 .center .boxs .box .box-title {
    color: #0B1A4B;
    font-size: 24.273px;
    font-weight: 900;
    line-height: 33.8px; 
    max-width: 210px;
}

.part-2 .center .boxs .box .box-desc {
    color: #9B9B9B;
    font-size: 17.156px;
    font-weight: 500;
    line-height: 28.8px; 
    margin-top: 20px;
    max-width: 210px;
}

.part-3 {
    width: 100%;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;  
}

.part-3 .box {
    width: 100%;
    height: 100%;
    position: relative;
    display: flex;
    justify-content: center;
}

.part-3 .box img {
    width: 100%;
}

.part-3 .center {
    position: absolute;
    top: 0;
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: flex-end;
}

.part-3 .center .title {
    color: #FFF;
    font-size: 45.563px;
    font-weight: 900;
    line-height: 48px; 
    max-width: 512px;
    text-align: start;
    width: 100%;
}

.part-3 .center .desc {
    color: #FFF;
    font-size: 20.969px;
    font-weight: 500;
    line-height: 35.2px;
    max-width: 512px;
    margin-top: 22px;
    text-align: start;
    width: 100%;
}

.part-4 {
    width: 100%;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;  
}


.part-4 .center {
    display: flex;
    flex-direction: column;
    align-items: center;  
}

.part-4 .center .title {
    color: #0B1A4B;
    text-align: center;
    font-size: 50px;
    font-weight: 900;
    line-height: 70px;
}

.part-4 .center .desc {
    color: #0B1A4B;
    text-align: center;
    font-size: 22.5px;
    font-weight: 500;
    line-height: 30px;
    margin-top: 44px;
}

.part-4 .center img:nth-of-type(1) {
    width: 100%;
    margin-top: 157px;
}

.part-4 .center img:nth-of-type(2) {
    width: 240px;
    margin-top: 83px;
    margin-bottom: 233px;
}

.footer {
    width: 100%;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;  
    background-color: #0C2139;
}

.footer .center {
    display: flex;
    flex-direction: column;
}

.footer .center .title {
    color: #FFF;
    font-size: 38px;
    font-weight: 600;
    line-height: 48px; 
    margin-top: 70px;
}

.footer .center .boxs {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
    margin-bottom: 60px;
}

.footer .center .box {
    display: flex;
    flex-direction: row;
}


.footer .center .box .box-ic {
    width: 18px;
    height: 18px;
    margin-right: 15px;
    margin-top: 7px;
}

.footer .center .box .box-desc {
    color: #FFF;
    font-size: 20px;
    font-weight: 500;
    line-height: 30px; 
}