function isCnBacktoSchool2024AT() {
    var temp_cn_d = new Date();
    var startTime = new Date("2024/03/04,00:00:00");
    var endTime = new Date("2024/05/31,23:59:59");
    return temp_cn_d.getTime() > startTime.getTime() && temp_cn_d.getTime() < endTime.getTime();
}
function isCnOrganoid2024AT() {
    var temp_cn_d = new Date();
    var startTime = new Date("2024/02/01,00:00:00");
    var endTime = new Date("2024/05/31,23:59:59");
    return temp_cn_d.getTime() > startTime.getTime() && temp_cn_d.getTime() < endTime.getTime();
}
function isCnSecKill2024AT() {
    var temp_cn_d = new Date();
    var startTime = new Date("2024/03/28,00:00:00");
    var endTime = new Date("2024/04/11,23:59:59");
    return temp_cn_d.getTime() > startTime.getTime() && temp_cn_d.getTime() < endTime.getTime();
}
function isCnSummer2024AT() {
    var temp_cn_d = new Date();
    var startTime = new Date("2024/05/29,00:00:00");
    var endTime = new Date("2024/08/15,23:59:59");
    return temp_cn_d.getTime() > startTime.getTime() && temp_cn_d.getTime() < endTime.getTime();
}
function isCnAutumn2024AT() {
    var temp_cn_d = new Date();
    var startTime = new Date("2024/11/25,00:00:00");
    var endTime = new Date("2024/11/20,23:59:59");
    return temp_cn_d.getTime() > startTime.getTime() && temp_cn_d.getTime() < endTime.getTime();
}

function isCnWinter2024AT() {
    var temp_cn_d = new Date();
    var startTime = new Date("2024/11/25,00:00:00");
    var endTime = new Date("2025/01/15,23:59:59");
    return temp_cn_d.getTime() > startTime.getTime() && temp_cn_d.getTime() < endTime.getTime();
}

function isCnMildWinter2024AT() {
    var temp_cn_d = new Date();
    var startTime = new Date("2024/11/21,00:00:00");
    var endTime = new Date("2025/01/15,23:59:59");
    return temp_cn_d.getTime() > startTime.getTime() && temp_cn_d.getTime() < endTime.getTime();
}

function isCnBackSchool2025AT() {
    var temp_cn_d = new Date();
    var startTime = new Date("2025/02/18,00:00:00");
    var endTime = new Date("2025/06/01,23:59:59");
    return temp_cn_d.getTime() > startTime.getTime() && temp_cn_d.getTime() < endTime.getTime();
}

function isCnPeptidesActivity2025AT() {
    var temp_cn_d = new Date();
    var startTime = new Date("2025/05/20,00:00:00");
    var endTime = new Date("2025/07/11,23:59:59");
    return temp_cn_d.getTime() > startTime.getTime() && temp_cn_d.getTime() < endTime.getTime();
}

function isCnProteinActivity2025AT() {
    var temp_cn_d = new Date();
    var startTime = new Date("2025/07/09,00:00:00");
    var endTime = new Date("2025/08/11,23:59:59");
    return temp_cn_d.getTime() > startTime.getTime() && temp_cn_d.getTime() < endTime.getTime();
}

function isCnEndOfYear2025AT() {
    var temp_cn_d = new Date();
    //1201
    var startTime = new Date("2025/12/01,00:00:00");
    var endTime = new Date("2026/1/31,23:59:59");
    return temp_cn_d.getTime() > startTime.getTime() && temp_cn_d.getTime() < endTime.getTime();
}

function isDoubleElevenActivity2025AT() {
    var temp_cn_d = new Date();
    var startTime = new Date("2025/12/10,00:00:00");
    var endTime = new Date("2025/12/25,23:59:59");
    return temp_cn_d.getTime() > startTime.getTime() && temp_cn_d.getTime() < endTime.getTime();
}

function isSeckillJanActivity2026AT() {
    var temp_cn_d = new Date();
    var startTime = new Date("2025/01/15,00:00:00");
    var endTime = new Date("2026/01/31,23:59:59");
    return temp_cn_d.getTime() > startTime.getTime() && temp_cn_d.getTime() < endTime.getTime();
}

function isCnYearOld2025AT() {
    var temp_cn_d = new Date();
    var startTime = new Date("2025/08/20,00:00:00");
    //11.30
    var endTime = new Date("2025/11/30,23:59:59");
    return temp_cn_d.getTime() > startTime.getTime() && temp_cn_d.getTime() < endTime.getTime();
}

function isCnBackSchoolAutumn2025AT() {
    var temp_cn_d = new Date();
    var startTime = new Date("2025/07/09,00:00:00");
    var endTime = new Date("2025/11/20,23:59:59");
    return temp_cn_d.getTime() > startTime.getTime() && temp_cn_d.getTime() < endTime.getTime();
}

function isCnBackSchoolSpring2026AT() {
    var temp_cn_d = new Date();
    var startTime = new Date("2026/03/01,00:00:00");
    var endTime = new Date("2026/06/30,23:59:59");
    return temp_cn_d.getTime() > startTime.getTime() && temp_cn_d.getTime() < endTime.getTime();
}

function isCnAntibodyActivity2025AT() {
    var temp_cn_d = new Date();
    var startTime = new Date("2025/04/07,00:00:00");
    var endTime = new Date("2025/07/31,23:59:59");
    return temp_cn_d.getTime() > startTime.getTime() && temp_cn_d.getTime() < endTime.getTime();
}

function ActiveTime() {
    if(isCnAutumn2024AT()) {
        $(".back-to-school-autumn").show().css('display','flex');
        $(".cn-autumn-active").show();
    }
    if(isCnWinter2024AT()) {
        $(".cn-winter-active").show();
    }
    if(isCnSummer2024AT()) {
        $(".back-to-678").show().css('display','flex');
        $(".cn-back-school-678").show();
        $(".cn-summer-active").show();
    }
    if(isCnBacktoSchool2024AT()) {
        $(".back-to-school").show().css('display','flex');
        $(".cn-back-school-2024").show();
    }
    if(isCnOrganoid2024AT()) {
        $(".organoid2024").show().css('display','flex');
        $(".protein2024").show().css('display','flex');
    }
    if(isCnSecKill2024AT()) {
        $(".sec-kill").show().css('display','flex');
    }
    if(isCnMildWinter2024AT()) {
        $(".sale-mild-winter").show().css('display','flex');
    }
    if(isCnBackSchool2025AT()) {
        $(".back-school2025").show();
        $(".cn-back-school-2025").show();
    }
    if(isCnProteinActivity2025AT()) {
        $(".sale-protein").show().css('display','flex');
    }
    if(isCnBackSchoolAutumn2025AT()) {
        $(".back-to-school-autumn2025").show().css('display','flex');
    }
    if(isCnBackSchoolSpring2026AT()) {
        $(".back-to-school-spring-2026").show().css('display','flex');
    }
    if(isCnEndOfYear2025AT()) {
        $(".cn-end-of-year-2025").show().css('display','flex');
    }
    if(isDoubleElevenActivity2025AT()) {
        $(".double-eleven-activity-2025").show().css('display','flex');
    }
    if(isSeckillJanActivity2026AT()) {
        $(".seckill-jan-activity-2026").show().css('display','flex');
    }
}

/*const observer = new MutationObserver((mutations) => {
    if (document.querySelector('.back-school2025')) {
        observer.disconnect();
        ActiveTime();
    }
});

observer.observe(document.body, {
    childList: true,
    subtree: true
});*/