.page {
    width: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    height: 100%;
}

.image {
    width: 15.19rem;
    height: 3.81rem;
}

.text {
    text-transform: uppercase;
}

.text_highlight {
    color: #FFCE1E;
}

.container {
    max-width: 90% !important;
}

.bg-grey {
    background: #f5f5f5;
}


.service-center-border-radius {
    border-radius: 1.5rem;
}

.footer {
    background-color: #253E52;
    color: white;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 12px; /* 滚动条宽度 */
}

::-webkit-scrollbar-track {
    background: #f1f1f1; /* 滚动条轨道背景 */
    border-radius: 6px; /* 圆角 */
}

::-webkit-scrollbar-thumb {
    background: #888; /* 滚动条滑块背景 */
    border-radius: 6px; /* 圆角 */
}

::-webkit-scrollbar-thumb:hover {
    background: #555; /* 滑块悬停时的背景 */
}

.nav-link {
    position: relative;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 100%;
    height: 2px;
    background-color: #51d9c1;
}

/* Firefox 滚动条样式 */
* {
    scrollbar-width: thin; /* 滚动条宽度 */
    scrollbar-color: #888 #f1f1f1; /* 滚动条滑块和轨道背景颜色 */
}

/* 小屏幕 (手机) */
@media (max-width: 576px) {

    .slogan {
        font-weight: bold;
        font-size: 20px;
    }

    .market-title, .contract-title {
        font-size: 25px;
        font-weight: bold;
    }

    .contract-email-label {
        font-weight: bold;
        font-size: 19px;
    }

    .contract-email {
        font-weight: bold;
        font-size: 25px;
    }

    footer {
        font-size: 14px;
    }


    .font-common {
        font-size: 20px;
    }

    .desc-title {
        font-size: 24px;
    }

    .desc-item {
        font-size: 20px;
    }

    .qa-img {
        width: 200px;
    }

    .qa-item {
        color: #D57D34;
        font-size: 20px !important;
    }

    .follow-us-img {
        width: 140px;
    }

    .qa-guide {
        width: 100%;
    }

    .title, .qa-subtitle, .qa-desc, .qa-content {
        font-size: 14px;
    }

    .channel-logo {;
        text-align: center;
    }

    .follow-us-main {
        width: 100%;
    }

    .follow-us-email {
        font-size: 22px;
    }

    .channel-logo img {
        width: 90%;
    }

    .mobile {
        width: 90%;
        margin: 2rem auto 0;
        padding-bottom: 2rem;
    }

    video {
        width: 100%;
    }

    .font {
        font-size: 1.2rem;
        font-family: SeoulNamsan CBL !important;
        line-height: 1.16rem;
        color: #ffffff !important;
        text-transform: uppercase;
        margin-right: 1.2rem;
    }

    .container {
        max-width: 100% !important;
    }

    .service-center {
        width: 90%;
        margin: 0 auto 1rem;
    }

    .service-slogan {
        color: #12878E;
        text-align: center;
        font-size: 1rem;
        font-family: SeoulNamsan CBL;
        line-height: 1.81rem;
        font-style: normal;
        font-weight: 600;
        padding: 3rem 0;
        text-transform: uppercase;
    }

    .delete-main {
        min-height: calc(100vh - 150px);
        width: 90%;
        margin: 1rem auto;
        border-radius: 1rem;
        border: #555555 solid 1px;
    }
}

/* 中等屏幕 (平板) */
@media (min-width: 577px) and (max-width: 1150px) {
    video {
        width: 90%;
    }

    .font-common {
        font-size: 22px;
    }

    .market-title, .contract-title {
        font-size: 30px;
        font-weight: bold;
    }

    .contract-email-label {
        font-weight: bold;
        font-size: 24px;
    }

    .contract-email {
        font-weight: bold;
        font-size: 30px;
    }

    .follow-us-main {
        position: absolute;
        width: 100%;
        top: 20px;
    }

    .follow-us-email {
        font-size: 32px;
    }

    .slogan {
        font-size: 24px;
    }

    footer {
        font-size: 20px;
    }

    .qa-guide {
        width: 100%;
    }

    .qa-item {
        color: #D57D34;
        font-size: 20px !important;
    }

    .title, .qa-subtitle, .qa-desc, .qa-content {
        font-size: 16px;
    }

    .channel-logo {;
        text-align: center;
    }

    .channel-logo img {
        width: 80%;
    }

    .qa-img {
        width: 260px;
    }

    .follow-us-img {
        width: 200px;
    }

    .qa-item {
        color: #D57D34;
        font-size: 28px !important;
    }

    .mobile {
        width: 90%;
        margin: 2rem auto 0;
        padding-bottom: 2rem;
    }

    .font {
        font-size: 1.3rem;
        font-family: SeoulNamsan CBL !important;
        line-height: 1.16rem;
        color: #ffffff !important;
        text-transform: uppercase;
        margin-right: 1.5rem;
    }

    .service-center {
        width: 80%;
        margin: 0 auto 2rem;
    }

    .service-slogan {
        color: #12878E;
        text-align: center;
        font-size: 1.3rem;
        font-family: SeoulNamsan CBL;
        line-height: 1.81rem;
        font-style: normal;
        font-weight: 600;
        padding: 3rem 0;
        text-transform: uppercase;
    }

    .delete-main {
        min-height: calc(100vh - 150px);
        width: 70%;
        margin: 2rem auto;
        border-radius: 1rem;
        border: #555555 solid 1px;
    }

    .desc-title {
        font-size: 26px;
    }

    .desc-item {
        font-size: 22px;
    }
}

/* 大屏幕 (桌面) */
@media (min-width: 1151px) {
    video {
        width: 85%;
    }

    .navbar-brand img {
        width: 100%;
        height: 100%;
    }


    .font-common {
        font-size: 24px;
    }


    .desc-title {
        font-size: 30px;
    }

    .desc-item {
        font-size: 24px;
    }

    .market-title, .contract-title {
        font-size: 46px;
        font-weight: bold;
    }

    .contract-email-label {
        font-weight: bold;
        font-size: 30px;
    }

    .contract-email {
        font-weight: bold;
        font-size: 50px;
    }

    .follow-us-main {
        position: absolute;
        width: 100%;
        top: 40px;
    }

    .follow-us-email {
        font-size: 48px;
    }

    .slogan {
        font-size: 30px;
    }

    footer {
        font-size: 24px;
    }

    .qa-img {
        width: 350px;
    }

    .follow-us-img {
        width: 240px;
    }

    .title {
        font-size: 18px;
    }

    .qa-item {
        color: #D57D34;
        font-size: 26px !important;
    }

    .qa-subtitle, .qa-desc, .qa-content {
        font-size: 19px;
    }

    .channel-logo img {
        width: 72%;
    }

    .mobile {
        margin: 3rem auto 0;
        padding-bottom: 3rem;
        padding-top: 2rem;
    }

    .font {
        font-size: 1.3rem;
        font-family: SeoulNamsan CBL !important;;
        line-height: 1.16rem;
        color: #ffffff !important;
        text-transform: uppercase;
        margin-right: 1.5rem;
    }

    .service-center {
        width: 70%;
        margin: 0 auto 2rem;
    }

    .service-slogan {
        color: #12878E;
        text-align: center;
        font-size: 2.5rem;
        font-family: SeoulNamsan CBL;
        line-height: 3.81rem;
        font-style: normal;
        font-weight: 600;
        padding: 3rem 0;
        text-transform: uppercase;
    }

    .delete-main {
        border-radius: 1rem;
        border: #555555 solid 1px;
        min-height: calc(100vh - 150px);
        width: 50%;
        margin: 3rem auto;
    }
}


.rich-container {
    max-width: 800px;
    height: calc(100vh - 150px);
    overflow-y: auto;
    margin: 40px auto;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}


.rich-container-1 {
    max-width: 100%;
    height: 100vh;
    overflow-y: auto;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.font-bold {
    font-weight: bold;
}

.mt-7 {
    margin-top: 4.2rem !important;
}

.qa-content {
    font-family: math !important;
}

.w-55 {
    width: 55%;
}

.follow-us {
    position: relative;
}

.follow-us-footer {
    position: absolute;
    bottom: 0px;
    width: 100%;
    align-items: center;
    display: flex;
    min-height: 50px;
    background: rgb(80 80 80 / 79%);
}

.follow-us-footer-content {
    width: 84%;
}