/* basic config */
html, body {
    font-family:PingFang, NotoSansHans-Regular, proxima-nova, "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Open Sans", "Helvetica Neue", Arial, sans-serif;
    font-size: 14px;
    height: 100%;
}

body {
    color: #494a4a;
    background: #FFF;
}

.bg-F5F8FB { background-color: #f5f8fb; }
.bg-F3F5F6 { background-color: #F3F5F6; }

.color-000 { color: #000; };
.color-FFFFFF { color: white; }
.color-666 { color: #666; }
.color-7A859E { color: #7A859E; }
.color-2F354D { color: #2F354D; }
.color-8C8C8C { color: #8C8C8C; }
.color-B1B6C3 { color: #B1B6C3; }
.color-0035EC { color: #0035EC; }
.color-6D7588 { color: #6D7588; }

.ml-10 { margin-left: 10px; }
.ml-20 { margin-left: 20px; }
.ml-30 { margin-left: 30px; }
.ml-40 { margin-left: 40px; }
.ml-50 { margin-left: 50px; }

.mgr-5 { margin-right: 5px; }

.mt-10 { margin-top: 10px; }
.mt-20 { margin-top: 20px; }
.mt-30 { margin-top: 30px; }
.mt-40 { margin-top: 40px; }
.mt-50 { margin-top: 50px; }
.mt-80 { margin-top: 80px; }
.mt-100 { margin-top: 100px; }

.mb-10 { margin-bottom: 10px; }
.mb-20 { margin-bottom: 20px; }
.mb-30 { margin-bottom: 30px; }
.mb-60 { margin-bottom: 60px; }
.mb-160 { margin-bottom: 160px; }

.pl-0 { padding-left: 0;}
.pl-10 { padding-left: 10px; }
.pl-20 { padding-left: 20px; }
.pl-30 { padding-left: 30px; }

.pr-0 { padding-right: 0px; }
.pr-10 { padding-right: 10px; }
.pr-20 { padding-right: 20px; }
.pr-30 { padding-right: 30px; }
.pr-40 { padding-right: 40px; }

.pt-60 { padding-top: 60px; }
.pt-100 { padding-top: 100px; }

.pb-100 { padding-bottom: 100px; }

/* font size settings */
/* font size settings */
.font-12 { font-size: 12px; }
.font-14 { font-size: 14px; }
.font-16 { font-size: 16px; }
.font-18 { font-size: 18px; }
.font-20 { font-size: 20px; }
.font-24 { font-size: 24px; }
.font-26 { font-size: 26px; }
.font-28 { font-size: 28px; }
.font-30 { font-size: 30px; }
.font-32 { font-size: 32px; }
.font-36 { font-size: 36px; }
.font-46 { font-size: 46px; }
.font-48 { font-size: 48px; }
.font-50 { font-size: 50px; }
.font-52 { font-size: 52px; }

.weight-600 {
    font-weight: 600;
}

/* .font-12 {
    font-size: 0.85rem;
}
.font-14 {
    font-size: 1.000rem;
}

.font-16 {
    font-size: 1.143rem;
}

.font-20 {
    font-size: 1.429rem;
}

.font-24 {
    font-size: 1.714rem;
}

.font-36 {
    font-size: 2.571rem;
}

.font-50 {
    font-size: 3.571rem; */
/* } */
/* text color settings */
.text-main {
    color: #3790FF;
}

.text-contrast {
    color: #FFF;
}

.text-dark {
    color: #494a4a;
}

/* background filled settings */
.image-filled {
    background-color: #FFF;
    background-position: center;
    background-size: cover;
}

.color-filled-white {
    background-color: #FFF;
}

.color-filled-grey {
    background-color: #F5F5F5;
}

.color-filled-darkgrey {
    background-color: #2B2B2B;
}

.color-filled-grident-grey {
    background: linear-gradient(90deg, #F4F4F4, #E7EAF1);
}
/* links */
a {
    color: #494a4a;
}

a:hover {
    color: #3790FF;
}

/* transition animations */
.with-transition {
    transition: all 200ms ease-out 0s;
}


/* backgrund image icon */
i.img {
    display: inline-block;
    font-style: normal;
    font-variant: normal;
    text-rendering: auto;
    line-height: 1;
    width: 1em;
    height: 1em;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    margin: 0%;
}

i.img.half-size {
    width: 0.6em;
    height: 0.6em;
    margin: 20%;
}

i.img-zhihu {
    font-size: 2rem;
    background-image: url(/static/images/zhihu_gray.png);
}

li:hover i.img-zhihu {
    background-image: url(/static/images/zhihu_white.png);
}

i.img-chrome {
    background-image: url(/static/image/icon_chrome.png);
}

i.img-firefox {
    background-image: url(/static/image/icon_firefox.png);
}

i.img-safari {
    background-image: url(/static/image/icon_safari.png);
}

i.img-opera {
    background-image: url(/static/image/icon_opera.png);
}

i.img-ie {
    background-image: url(/static/image/icon_ie.png);
}

i.img-android {
    background-image: url(/static/image/icon_android.png);
}

i.img-apple {
    background-image: url(/static/image/icon_apple.png);
}

.hidden {
    display: none !important;
}

.flexRow{
    display: flex;
    flex-flow: row nowrap;
    justify-content: flex-start;
    align-items: flex-start;
}

.flexRowRowCenter{
    display: flex;
    flex-flow: row nowrap;
    justify-content: flex-start;
    align-items: center;
}

.flexRowCenter{
    display: flex;
    flex-flow: row nowrap;
    justify-content: center;
    align-items: center;
}

.flexRowAroundCenter {
    display: flex;
    flex-flow: row nowrap;
    justify-content: space-around;
    align-items: center;
}

.flexRowWrapAroundCenter {
    display: flex;
    flex-flow: row wrap;
    justify-content: space-around;
    align-items: center;
}

.flexColumn{
    display: flex;
    flex-flow: column wrap;
    justify-content: flex-start;
    align-items: flex-start;
}

.flexColumnCenter{
    display: flex;
    flex-flow: column wrap;
    justify-content: center;
    align-items: center;
}

.alignSelfCenter {
    align-self: center;
}

.justifyContent {
    justify-content: space-between;
}

.alignStart {
    align-items: flex-start;
}


@media (max-width:767px) {
    .center-xs {
        text-align: center !important;
    }

    .mt-80-xs {
        margin-top: 80px;
    }

    .padding-default-xs {
        padding-left: 15px !important;
        padding-right: 15px !important;
    }

   .flexRowCenter-xs{
        display: flex;
        flex-flow: row nowrap;
        justify-content: center;
        align-items: center;
    }

    .flexColumnCenter-xs{
        display: flex;
        flex-flow: column wrap;
        justify-content: center;
        align-items: center;
    }

    .font-44-xs {
        font-size: 44px;
    }

    .font-34-xs {
        font-size: 34px;
    }
    
    .font-32-xs {
        font-size: 32px;
    }

    .font-28-xs {
        font-size: 28px;
    }
}