@font-face {
    font-family: "AlimamaShuHeiTi";
    src: url("./AlimamaShuHeiTi-bold/AlimamaShuHeiTi-Bold.ttf") format("truetype");
    font-weight: bold;
    font-style: normal;
}

body{
    margin: 0;
    padding: 0;
    background: #fff;
    color: #333;
    line-height: normal;
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-family: ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif,Helvetica Neue,Arial,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji;
}

.header{
    background: url("../img/body_bg.png") top center no-repeat;
    background-size: cover;
}

h1, h2{
    margin: 0;
    padding: 0;
    margin-block-start: 0;
    margin-block-end: 0;
}

img{
    -moz-user-select:none;
    -webkit-user-select:none;
    -ms-user-select:none;
    user-select:none;
    -webkit-user-drag: none;
}

.header .top_nav{
    padding: 20px 18vw;
    display: flex;
    flex-flow: row nowrap;
    justify-content: space-between;
    align-items: center;
}

.header .top_nav .logo{
    height: 34px;
}

.header .top_nav .contact{
    line-height: 26px;
    padding: 0 18px;
    background: #00A1C2;
    border: 1px solid #00A1C2;
    border-radius: 4px;
    color: #fff;
    font-size: 12px;
    cursor: pointer;
}

.header-content{
    margin: 0 18vw;
    text-align: center;
    overflow: hidden;
}

.header-content .title{
    margin-top: 30px;
    font-size: 40px;
    letter-spacing: 4px;
    font-family: "AlimamaShuHeiTi", Arial, Helvetica, sans-serif;
    font-weight: bolder;
    color: #242B2C;
}

.header-content .subtitle{
    margin: 20px 0 40px;
    font-size: 22px;
    letter-spacing: 3px;
    color: #535E60;
    font-weight: normal;
}

.header-content .mainImage{
    width: 100%;
    background: url("../img/header_content.jpg") center no-repeat;
    background-size: cover;
    margin: 40px 0;
    border-radius: 6px;
    aspect-ratio: 2.4;
    max-height: 50vh;
}

.header-content .addonInfo{
    margin: 40px 0;
    background: rgba(255, 255, 255, 0.5);
    box-shadow: 0 2px 6px 1px rgba(0, 161, 194, 0.1);
    border-radius: 4px;
    border: 1px solid #FFFFFF;
    padding: 16px 8px;
    display: flex;
    flex-flow: row nowrap;
    justify-content: space-between;
    align-items: flex-start;
}

.addonInfoItem{
    text-align: center;
    flex-basis: 100%;
}

.addonInfoItem-title{
    font-size: 24px;
    line-height: 28px;
    font-weight: bold;
    color: #242B2C;
    margin-bottom: 16px;
}

.addonInfoItem-info{
    font-size: 14px;
    color: #535E60;
}

.featureList{
    background: #fff;
    padding: 40px 18vw 18px;
    display: flex;
    flex-flow: row nowrap;
    justify-content: space-between;
    align-items: flex-start;
    gap: 15px;
}

.featureList-item{
    flex: 1;
    text-align: center;
}

.featureList-item-icon{
    width: 50px;
    margin-bottom: 28px;
}

.featureList-item-title{
    font-size: 16px;
    font-weight: 500;
    color: #000000;
    padding-bottom: 8px;
}

.featureList-item-desc{
    text-align: center;
    white-space: nowrap;
    color: #9A9A9A;
    font-size: 12px;
}

.section-info{
    padding: 50px 18vw;
    display: flex;
    flex-flow: row nowrap;
    justify-content: space-between;
    align-items: center;
    gap: 8vw;
}

.section-info__bg{
    padding-top: 130px;
    padding-bottom: 130px;
    background: #FAFAFA;
    position: relative;
    overflow: hidden;
}

.section-info__bg:before{
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    content: " ";
    border-top: 100px solid #fff;
    border-right: 100vw solid transparent;
}

.section-info__bg:after{
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    content: " ";
    border-bottom: 100px solid #fff;
    border-left: 100vw solid transparent;
}

.section-img{
    width: 30%;
}

.section-info-title{
    line-height: normal;
    font-size: 26px;
    color: #000000;
    font-weight: bolder;
    position: relative;
    padding-left: 18px;
    margin-bottom: 40px;
}

.section-info-title:before{
    position: absolute;
    left: 0;
    bottom: 0;
    content: " ";
    background: #3BB3C2;
    width: 8px;
    height: 100%;
}

.section-info-desc{
    font-size: 14px;
    color: #7A7A7A;
    line-height: 2;
    margin-left: 18px;
}

.logo-container {
    background: #F7FBFF;
    padding: 55px 30px 55px;
    display: flex;
    flex-flow: row wrap;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.school-logo{
    text-align: center;
    flex-basis: 12%;
}

.h-28{
    height: 28px;
}

.h-30{
    height: 30px;
}

.h-32{
    height: 32px;
}

.footer{
    background: url("../img/footer_bg.jpg") top center no-repeat;
    background-size: cover;
    padding: 55px 18vw;
    display: flex;
    flex-flow: row nowrap;
    justify-content: space-between;
    align-items: flex-start;
}

.footer-contact, .footer-right{
    display: flex;
    flex-flow: column nowrap;
}

.footer-contact-title, .footer-right-title{
    font-size: 14px;
    font-weight: bolder;
    color: #000000;
}

.footer-contact-info, .footer-right-info, .footer-contact-info{
    font-size: 12px;
    color: #535E60 !important;
    margin-top: 10px;
}

.footer-right-info a, .footer-contact-info a{
    color: #00A1C2;
}

@media screen and (max-width: 900px) {
    /* 在小屏幕上的样式 */

    .header .top_nav{
        padding-left: 15px;
        padding-right: 15px;
    }

    .header .top_nav .logo{
        height: 26px;
    }

    .header-content{
        margin-left: 15px;
        margin-right: 15px;
    }

    .header-content .title{
        font-size: 30px;
    }

    .header-content .subtitle{
        font-size: 18px;
        letter-spacing: normal;
        margin-top: 30px;
        margin-bottom: 70px;
    }

    .header-content .addonInfo{
        padding: 8px 4px;
    }

    .addonInfoItem-title{
        font-size: 18px;
        margin-bottom: 10px;
    }

    .featureList{
        padding-top: 20px;
        padding-left: 15px;
        padding-right: 15px;
        flex-wrap: wrap;
    }

    .featureList-item{
        flex-basis: calc(33% - 30px);
    }

    .featureList-item-icon{
        margin-bottom: 18px;
    }

    .section-info{
        padding: 50px 15px;
    }

    .section-info-title{
        font-size: 20px;
    }

    .section-info__bg{
        padding: 70px 15px;
    }

    .section-info__bg:before{
        border-top: 50px solid #fff;
    }

    .section-info__bg:after {
        border-bottom: 50px solid #fff;
    }

    .logo-container {
        padding: 30px 20px;
        gap: 30px;
    }

    .school-logo {
        text-align: start;
        flex-basis: calc(50% - 15px);
        min-width: calc(50% - 15px);
    }

    .footer{
        padding: 30px 20px;
    }
}