* {
    margin: 0;
    padding: 0;
    font-family: PingFangSC-Regular;
    font-size: 16px;
}

body {
    background: #FFFFFF;
    min-width: 1280px;
    position: relative;
    height: 60px;
    background-image: url(https://game.chizhoushengnuo.cn/windowsPc/body-image.png);
}

img {
    vertical-align: middle;
}

ul {
    margin: 0;
    padding: 0;
}

li {
    list-style: none;
}

.content {
    max-width: 1320px;
    width: 85%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
}

.btn {
    font-family: PingFangSC-Semibold;
    font-size: 16px;
    font-weight: 600;
    background: #2C68FF;
    border-radius: 2px;
    color: #FFFFFF;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
}

.primary {
    color: #2C68FF !important;
}

.hidden {
    display: none !important;
}

.cover {
    position: absolute;
    width: 100%;
    height: 100vh;
    top: 0;
    position: fixed;
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(0, 0, 0, 0.30);
}

.popup {
    position: relative;
    display: none;
    text-align: center;
    max-height: 100vh;
    scrollbar-width: none;
}

.popup .close {
    position: absolute;
    right: 20px;
    top: 20px;
    cursor: pointer;
}

.popup h5 {
    font-family: PingFangSC-Semibold;
    font-size: 24px;
    color: #333333;
    font-weight: 600;
    line-height: 33px;
}

.course {
    position: absolute;
    right: 20px;
    bottom: 20px;
    cursor: pointer;
    text-decoration: none;
    color: red;
    background-color: rgba(255, 255, 255, 0.30);
    padding: 7px 15px;
    border-radius: 7px;
    font-size: 14px;
    font-weight: bold;
}