/* 面板主体：悬浮于右侧 */
.table-of-contents {
    position: fixed;
    top: 150px;
    right: 2vw;
    width: 260px;
    z-index: 998;
    background: rgba(10, 15, 10, 0.85);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid #988b32;
    box-shadow: inset 0 0 10px rgba(152, 139, 50, 0.1), 0 5px 15px rgba(0, 0, 0, 0.5);
    padding: 0 0 15px 0;
    max-height: calc(100vh - 200px);
    overflow-y: auto;
    font-family: monospace, sans-serif;
}

@media screen and (max-width: 1350px) {
    .table-of-contents.mobile-hide {
        display: none !important;
    }
}

.toc-header {
    background: #988b32;
    color: #000;
    padding: 6px 15px;
    font-family: 'ZCOOLQingKeHuangYou-Regular', monospace;
    font-size: 1.1rem;
    letter-spacing: 1px;
    margin-bottom: 15px;
    font-weight: bold;
    position: sticky;
    top: 0;
    z-index: 2;
}

.table-of-contents ol {
    padding-left: 25px;
    margin: 0;
    padding-right: 15px;
}

.table-of-contents li {
    list-style: none;
    position: relative;
    margin-bottom: 6px;
}

.table-of-contents a {
    color: #888;
    text-decoration: none;
    display: block;
    font-size: 0.9rem;
    line-height: 1.4;
    transition: all 0.2s;
}

.table-of-contents a:hover {
    color: #ccc;
    text-shadow: 0 0 5px rgba(204, 204, 204, 0.5);
}

.table-of-contents a.active {
    color: #00ffff;
    font-weight: bold;
    text-shadow: 0 0 8px rgba(0, 255, 255, 0.6);
}

.table-of-contents a.active::before {
    content: '>';
    position: absolute;
    left: -12px;
    color: #00ffff;
    animation: blink 1s infinite;
}

.toggle {
    cursor: pointer;
    position: absolute;
    left: -18px;
    top: 0px;
    width: 15px;
    text-align: center;
    user-select: none;
    color: #988b32;
    font-family: monospace;
    font-weight: bold;
    transition: color 0.2s;
}

.toggle.has-child:hover {
    color: #fff;
}

.table-of-contents::-webkit-scrollbar {
    width: 4px;
}

.table-of-contents::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.3);
}

.table-of-contents::-webkit-scrollbar-thumb {
    background: #988b32;
}

@keyframes blink {
    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}