* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
.header1 {
    padding: 15px;
    text-align: center;
    border-bottom: 1px solid #a5aeb4;
    height: 80px;
    align-items: center;
    justify-content: center;
    display: flex;
}
.header1 a{
    display: flex;
    align-items: center;
    justify-content: center;
}
.header1  img{
    width: 100px;
}
.section1 {
    margin-bottom: 0; 
}

.section2 {
    text-align: center;
    background-color: #202033;
    height: 270px;
    margin-top: 0; 
    padding: 20px; 
}

.section1 .banner {
    display: block;
    width: 100%;
    height: auto;
}
.section1 .banner_mo {
    display: none;
}
.section2 .contents {
    width: 100%;
    max-width: 1200px;
    margin: 40px auto;
}
.section2 .contents pre {
    font-size: 22px;
    color: #fff;
    line-height: 1.8;
}
.section2 .contents a {
    font-size: 20px;
    background-color: #fff;
    color: #202033;
    line-height: 1.5;
    font-weight: 600;
    padding: 5px 30px;
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    border-radius: 30px;
    margin-top: 30px;
}
.section2 .contents a img {
    width: 13%;
}
.section3 {
    width: 100%;
    max-width: 1200px;
    margin: 60px auto;
}
.section4  {
    background-color: #edf2f6;
}  
.section4 .contents {
    width: 100%;
    max-width: 1200px;
    margin: 40px auto;
    padding: 60px 0;
}
.section3 .left, .section3 .right, .section4 .left, .section4 .right {
    width: 50%;
}

.section3 .flex {
    display: flex;
    gap: 30px;
    margin-top: 30px;
}

.section4 .flex {
    display: flex;
    flex-direction: row-reverse; 
    gap: 30px;
    margin-top: 30px;
}

.section3 span, .section4 span {
    font-size: 25px;
    color: #fff;
    background-color: #202033;
    padding: 10px 30px;
    border-radius: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.section3 {
    width: 100%;
    max-width: 1200px;
    margin: 60px auto;
}

.section3 .flex, .section4 .flex {
    display: flex;
    gap: 30px;
    margin-top: 30px;
    align-items: stretch; 
}

.section3 .left, .section3 .right {
    width: 50%;
    display: flex;
    flex-direction: column;
}

.section4 .left, .section4 .right {
    width: 50%;
    display: flex;
    flex-direction: column;
}
.section3 .left ul, .section4 .left ul  {
    border: 1px solid #dbe5ec;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    flex: 1; 
    justify-content: space-between;
    margin: 0; 
    padding: 0; 
    background-color: #fff;
}

.section3 .left ul li, .section4 .left ul li {
    padding: 20px 30px;
    border-bottom: 1px solid #dbe5ec;
    font-size: 22px;
    font-weight: 500;
    display: flex; 
    align-items: center;
    height: 100%; 
}

.section3 .left ul li:last-child, .section4 .left ul li:last-child {
    border-bottom: none;
}

.section3 .right, .section4 .right  {
    position: relative;
    display: flex;
    flex-direction: column;
}

.section3 .right .btn_img, .section4 .right .btn_img {
    width: 100%;
    height: auto;
}
.section3 .right .btn_img_mo, .section4 .right .btn_img_mo {
   display: none;
}
.section4 .title_box {
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.section3 .right .btn_img, .section4 .right .btn_img {
    width: 100%;
    height: auto;
}

.section3 .right .text-overlay, .section4 .right .text-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    border-radius: 10px;
    text-align: center;
    width: 80%;
    max-width: 300px;
}

.section3 .right .text-overlay img, .section4 .right .text-overlay img {
    display: block;
    margin: 0 auto 20px;
    width: 80px;
    height: auto;
}

.section3 .right .text-overlay p, .section4 .right .text-overlay p {
    margin-top: 10px;
    font-size: 25px;
    font-weight: 500;
    color: #fff;
    line-height: 1.3;
}
.btn_wrap {
    width: 100%;
    max-width: 1200px;
    margin: 80px auto;
}
.btn_wrap a{
    padding: 20px 50px;
    font-size:25px;
    color: #fff;
    background-color: #202033;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-radius: 35px;
}
.btn_wrap a img{
    width: 3%;
}
@media (min-width: 768px) and (max-width: 1200px) {
    .section2 .contents {
        margin: 20px auto;
    }
    .section3 {
        width: 90%;
    }
    .section4 .contents {
        width: 90%;
    }
    .btn_wrap {
        width: 90%;
    }
    .btn_wrap a img {
        width: 5%;
    }
    .section3 .flex, .section4 .flex {
        align-items: center;
    }
}
@media screen and (max-width: 767px) {
    .header1 {
        height: 60px;
    }
    .header1  img{
        width: 70px;
    }
    .section1 .banner {
        display: none;
    }
    .section1 .banner_mo {
        display: block;
        width: 100%;
        height: auto;
    }
    .section2 {
        height: 230px;
    }
    .section2 .contents {
        width: 100%;
        max-width: 100%;
        margin: 10px auto;
    }
    .section2 .contents pre {
        font-size: 16px;
        line-height: 1.5;
    }
    .section2 .contents a {
        font-size: 16px;
        margin-top: 20px;
        background-color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
    }
    .section2 .contents a img {
        width: 8%;
    }
    .section3 {
        width: 90%;
        max-width: 100%;
        margin: 40px auto;
    }
    .section3 span, .section4 span {
        font-size: 18px;
    }
    .section3 .flex, .section4 .flex {
        flex-direction: column;
        margin-top: 15px;
    }
    .section3 .left, .section3 .right {
        width: 100%;
    }
    .section3 .left ul li, .section4 .left ul li {
        padding: 15px 20px;
        border-bottom: 1px solid #dbe5ec;
        font-size: 18px;
        font-weight: 500;
        display: flex;
        align-items: center;
        height: 100%;
    }
    .section3 .right .btn_img_mo, .section4 .right .btn_img_mo {
        display: block;
        width: 100%;
        height: auto;
     }
    .section3 .right .btn_img, .section4 .right .btn_img{
        display: none;
     }
     .text-overlay {
        display: none;
     }
     .section4 .contents {
         width: 90%;
         max-width: 100%;
         margin: 30px auto;
         padding: 40px 0;
     }
     .section4 .left, .section4 .right {
         width: 100%;
     }
     .btn_wrap {
        width: 90%;
        max-width: 100%;
        margin: 40px auto 50px;
    }
    .btn_wrap a{
        padding: 20px 30px;
        font-size: 20px;
        border-radius: 30px;
    }
    .btn_wrap a img{
        width: 10%;
    }
}