header {
    position: sticky;
    width: 100%;
    height: 60px;
    background: #fff;
    z-index: 9999;
    display: flex;
    justify-content: center;
    border-bottom: 1px solid #cdcdcd;
}
header .header {
    width: 1200px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
header .header h1 {
    width: 120px;
}
header .header h1 a {
    width: 100%;
}
header .header h1 a img {
    width: 100%;
}
header .header nav {
    display: flex;
    gap: 60px;
}
header .header nav a {
    font-size: 20px;
    color: #b2a6a8;
}

main {
    padding-bottom: 100px;
}
main .bnr {
    width: 100%;
}
main .bnr img {
    width: 100%;
}
main .bnrMo {
    display: none;
    width: 100%;
}
main .bnrMo img {
    width: 100%;
}
main section {
    padding: 100px 0 100px 100px;
}
main section .box {
    border-radius: 10px;
    background: #f4f6f9;
    padding: 40px 0;
}
main section .box h2 {
    max-width: 1200px;
    margin: 0 auto 20px;
    font-size: 24px;
    font-weight: 800;
    color: #112d5c;
    padding-bottom: 20px;
    border-bottom: 2px solid #112d5c;
}
main section .box pre {
    max-width: 1200px;
    margin: 0 auto;
    font-size: 16px;
    line-height: 1.4;
}
main section .box pre em {
    font-size: 16px;
    line-height: 1.4;
    font-weight: 800;
    color: #112d5c;
}
main .menuWrap {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: 20px;
}
main .menuWrap .left {
    width: 60%;
    display: flex;
    flex-flow: row wrap;
    gap: 20px;
}
main .menuWrap .left a {
    width: calc(50% - 10px);
    display: flex;
    flex-flow: column nowrap;
    justify-content: center;
    align-items: center;
    box-shadow: 1px 1px 5px 1px rgba(0, 0, 0, 0.1);
    border-radius: 20px;
}
main .menuWrap .left a img {
    height: 50px;
    margin-bottom: 10px;
}
main .menuWrap .left a strong {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 20px;
}
main .menuWrap .left a span {
    font-size: 18px;
    padding: 10px 20px;
    background: #f4f6f9;
    border-radius: 10px;
    color: #8792a2;
}
main .menuWrap .right {
    width: 40%;
    position: relative;
}
main .menuWrap .right > img {
    width: 100%;
}
main .menuWrap .right .text {
    position: absolute;
    bottom: 40px;
    left: 20px;
    width: calc(100% - 40px);
}
main .menuWrap .right .text h3 {
    font-size: 24px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 20px;
}
main .menuWrap .right .text .bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
main .menuWrap .right .text .bottom p {
    font-size: 16px;
    color: #fff;
    line-height: 1.4;
}
main .menuWrap .right .text .bottom a {
    font-size: 16px;
    color: #fff;
    padding: 10px 20px;
    border: 1px solid #fff;
    border-radius: 10px;
}

#sub {
    padding: 80px 0;
}
main > h2 {
    font-size: 32px;
    font-weight: 900;
    text-align: center;
    color: #112d5c;
    margin-bottom: 40px;
}
main > .box {
    padding: 20px;
    border-radius: 10px;
    background: #f8f8f8;
    max-width: 1200px;
    margin: 0 auto 40px;
}
main > .box pre {
    font-size: 16px;
    line-height: 1.4;
}
main .content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
}
main .content h3 {
    font-size: 24px;
    font-weight: 800;
    line-height: 1.4;
    color: #0150c2;
    width: 10%;
}
main .content pre {
    font-size: 16px;
    line-height: 1.4;
    width: 90%;
}
main .content pre b {
    font-size: 16px;
    font-weight: 800;
    color: #112d5c;
}
main .content pre em {
    font-size: 16px;
    font-weight: 800;
    color: #0150c2;
}
main > a {
    border-radius: 50px;
    padding: 30px;
    font-size: 18px;
    color: #637183;
    background-color: #f7f7f7;
    background-image: url(../img/arrow.png);
    background-repeat: no-repeat;
    background-size: 20px;
    background-position: right 30px center;
    border: 1px solid #cdcdcd;
    display: block;
    width: 500px;
    margin: 60px auto 0;
}

@media screen and (max-width: 1200px) {
    header {
        height: 5rem;
        padding: 0 1.5rem;
    }
    main .bnr {
        display: none;
    }
    main .bnrMo {
        display: block;
    }
    main section {
        padding: 6rem 0;
    }
    main section .box {
        padding: 6rem 1.5rem;
        border-radius: 0;
    }
    main .menuWrap {
        padding: 0 1.5rem;
    }
    main .menuWrap .left a {
        padding: 1.5rem 0;
    }
    main .menuWrap .left a img {
        height: 4rem;
    }
    main .menuWrap .left a strong {
        font-size: 1.8rem;
        font-weight: 800;
    }
    main .menuWrap .left a span {
        font-size: 1.4rem;
    }
    #sub {
        padding: 6rem 1.5rem 10rem;
    }
}
@media screen and (max-width: 768px) {
    main .menuWrap {
        flex-flow: column nowrap;
    }
    main .menuWrap .left {
        width: 100%;
    }
    main .menuWrap .right {
        width: 100%;
    }
    main .content h3 {
        width: 25%;
    }
    main .content pre {
        width: 75%;
    }
    main > a {
        width: 100%;
    }
}