/* 导航栏样式 */

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header-container {
    max-width: 1200px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
}


.logo img {
    width: 260px;
    font-size: 24px;
    font-weight: 700;
}

.logo span {
    color: var(--primary);
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    font-weight: 500;
    padding: 8px 0;
    position: relative;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: width 0.3s;
}

nav ul li a:hover::after {
    width: 100%;
}

.nav-btns {
    display: flex;
    align-items: center;
}


pre.text-sm {
    border: 1px solid #ddd;
    background: #f7f8fb;
    padding: 10px 20px;
}

.tree-node-active {
    background-color: var(--primary-light);
    color: var(--primary);
    font-weight: 500;
}

.main>div {
    overflow-y: auto;
}

.main-content {
    padding-top: 100px;
    box-sizing: border-box;
}

.codeCopyBtn {
    position: absolute;
    width: 26px;
    height: 26px;
    top: 10px;
    right: 2px;
    cursor: pointer;
    background-color: #d0d7e1;
    background-position: 50%;
    background-repeat: no-repeat;
    background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABQAAAAUBAMAAAB/pwA+AAAABGdBTUEAALGPC/xhBQAAAAFzUkdCAK7OHOkAAAASUExURf///0dwTP///////////////zhyFg0AAAAFdFJOUzIA7VzoAG/WtgAAAEBJREFUCNdjEIQDBkGhUCAIATNFDRiAAMJkhCsQZVQFKVEEM4OBCpgDwcwAoKwALZkiCKagIBIT7gZBQbjL4AAAZ04WMwTvhG0AAAAASUVORK5CYII=);
    background-image: -webkit-image-set(url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABQAAAAUBAMAAAB/pwA+AAAABGdBTUEAALGPC/xhBQAAAAFzUkdCAK7OHOkAAAASUExURf///0dwTP///////////////zhyFg0AAAAFdFJOUzIA7VzoAG/WtgAAAEBJREFUCNdjEIQDBkGhUCAIATNFDRiAAMJkhCsQZVQFKVEEM4OBCpgDwcwAoKwALZkiCKagIBIT7gZBQbjL4AAAZ04WMwTvhG0AAAAASUVORK5CYII=) 1x, url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACgAAAAoBAMAAAB+0KVeAAAABGdBTUEAALGPC/xhBQAAAAFzUkdCAK7OHOkAAAASUExURf///0dwTP///////////////zhyFg0AAAAFdFJOU2YAruwuKeJFGQAAAFNJREFUKM9jEMQCGHAJqobCQBBCEC4WGowkqMAABSxIgoxYzCRJENUBUEGEA0KRBGEOYEIWhBkrMCo4KAWVHbEIIqcHMgUxEgNKukUSxExgxOUOAMaHVqCshQu8AAAAAElFTkSuQmCC) 2x);
}

.codeCopyBtn_tips {
    box-shadow: 0 1px 6px #0000004d;
    background-color: #000000b3;
    position: absolute;
    padding: 9px 12px;
    border-radius: 4px;
    color: #fff;
    text-align: center;
    top: 39px;
    right: 0;
    font-size: 13px;
    display: none;
}