html, body, div, p, h1, h2, h3, h4, h5, h6, span, img, a, ul, li, ol, button, script, input, label {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-weight: 500;
}
body {
    background-color: #fff;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 14px;
    color: #000;
    text-align: center;
}
html, body, .wrapper {
    height: 100%;
    overflow: hidden;
}
.flex {
    display: flex;
}
.center {
    justify-content: center;
}
.middle {
    align-content: center;
    align-items: center;
}
body {
    position: relative;
}
button {
    background-color: #000;
    color: #fff;
    padding: 8px 20px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    border-radius: 3px;
}
.wrapper {
    display: none;
}

/* 控制层 */
#control {
    display: block;
    padding-top: 20vh;
    color: #333;
    position: relative
}
.main-title {
    margin-bottom: 10px;
    font-weight: 600;
    margin-bottom: 100px;
}
#control-btn {
    margin-bottom: 26px;
}
#radio-box .fixeld-row {
    width: 100%;
    margin-bottom: 14px;
}
.fixeld {
    width: 340px;
}
.fixeld .flex{
    margin-right: 10px;
}
.config-label {
    width: 100px;
}
#radio-box input, #radio-box label {
    padding-left: 8px;
    cursor: pointer;
}
.explain {
    padding-top: 20px;
    color: #6d6d6d;
    line-height: 30px;
    font-size: 13px;
}
.github-box {
    position: absolute;
    width: 140px;
    height: 140px;
    background-color: #2c2c2c;
    right: -74px;
    top: -74px;
    transform:rotate(45deg);
}
.github-box:hover {
    background-color: #4c4c4c;
}
.github-box a {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    align-content: flex-end;
    width: 100%;
    height: 100%;
}
.hidden-cursor {
    width: 100%;
    height: 15vh;
    bottom: 0;
    z-index: 2;
    position: absolute;
    cursor: none;
}