html {
    padding: 0;
    margin: 0;
    font-family: -apple-system, SF UI Text, Arial, PingFang SC, Hiragino Sans GB, Microsoft YaHei, WenQuanYi Micro Hei, sans-serif;
}

body {
    position: relative;
    margin: 0;
    padding: 0;
    background-color: rgba(242, 242, 242, 1);
}


.flex-h {
    display: flex;
    flex-direction: row;
}

.flex-v {
    display: flex;
    flex-direction: column;
}

.main-center {
    justify-content: center;
}

.cross-center {
    align-items: center;
}

.flex-1 {
    flex: 1;
}

.text-left {
    text-align: left;
}

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

.text-right {
    text-align: right;
}


::-webkit-scrollbar {
    width: 4px
}

::-webkit-scrollbar-thumb {
    width: 4px;
    background-color: #f56c6c;
}


.line-1 {
    overflow: hidden;
    display: box;
    display: -webkit-box;
    display: -ms-flexbox;
    -webkit-box-orient: vertical;
    -ms-flex-direction: column;
    -webkit-line-clamp: 1;
    line-clamp: 1;
}


.line-2 {
    overflow: hidden;
    display: box;
    display: -webkit-box;
    display: -ms-flexbox;
    -webkit-box-orient: vertical;
    -ms-flex-direction: column;
    -webkit-line-clamp: 2;
    line-clamp: 2;
}

.line-3 {
    overflow: hidden;
    display: box;
    display: -webkit-box;
    display: -ms-flexbox;
    -webkit-box-orient: vertical;
    -ms-flex-direction: column;
    -webkit-line-clamp: 3;
    line-clamp: 3;
}

/** 主导航 **/

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 15px;
    font-size: 0;
    background-color: white;
    z-index: 10000;
}

.nav-logo-wrap {
    text-decoration: none;
}

.nav-logo-wrap>img {
    width: 60px;
    height: 60px;
    border-radius: 10px;
}

.nav-site-name {
    padding-left: 20px;
    font-size: 24px;
    font-weight: bold;
    color: black;
}


.nav-region-wrap {
    padding: 5px 0 0 30px;
    cursor: pointer;
}

.nav-region {
    font-size: 18px;
    color: rgba(255, 0, 0, 1);
}

.nav-region-btn {
    font-size: 14px;
}

.nav-region-wrap:hover .nav-region-btn {
    color: rgba(255, 0, 0, 0.5);
}

.nav-link {
    display: inline-block;
    padding: 5px 15px;
    font-size: 20px;
    line-height: 28px;
    text-decoration: none;
    color: black;
    transition: color .3s;
}

.nav-link:hover {
    color: rgba(247, 81, 88, 1);
}

.nav-link.active {
    color: white;
    background-color: rgba(247, 81, 88, 1);
}

.nav-padder {
    height: 90px;
}

.fixed-side-bar {
    position: fixed;
    top: 40%;
    right: 0;
    z-index: 9000;
}

.fixed-side-bar-item {
    width: 60px;
    height: 60px;
    padding: 10px;
    margin: 0 0 10px 0;
    box-sizing: border-box;
    cursor: pointer;
    background-color: rgba(0, 0, 0, 0.3);
}

.fixed-side-bar-item>img {
    max-width: 100%;
}

.footer-big {
    padding: 45px 0 50px 0;
    background-color: rgba(130, 124, 124, 1);
}

.footer-big-nav-link {
    display: inline-block;
    padding: 0 20px;
    color: white;
    font-size: 20px;
    text-decoration: none;
}

.footer-big-nav-link:hover {
    color: rgba(247, 81, 88, 1);
}

.footer-big-qr-wrap {
    padding: 40px 0;
    justify-content: center;
}

.footer-big-qr-wrap>img {
    width: 160px;
    margin: 0 30px;
}

.footer-big-site-info {
    color: white;
    text-align: center;
}

.footer-big-agreement-link {
    display: inline-block;
    padding: 0 10px;
    color: white;
    text-decoration: none;
}

.footer-big-agreement-link:hover {
    color: rgba(247, 81, 88, 1);
}