.rs-smart-toc {
    position: fixed;
    top: var(--rs-toc-top, 120px);
    width: var(--rs-toc-width, 300px);
    z-index: 9999;
}
.rs-smart-toc--right { right: 24px; }
.rs-smart-toc--left { left: 24px; }

.rs-smart-toc__inner {
    background: #ffffff;
    border: 1px solid rgba(15,23,42,.08);
    border-radius: 18px;
    box-shadow: 0 14px 40px rgba(15,23,42,.12);
    padding: 18px 16px;
    max-height: calc(100vh - var(--rs-toc-top, 120px) - 30px);
    overflow-y: auto;
}
.rs-smart-toc__title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #0f172a;
}
.rs-smart-toc__list,
.rs-smart-toc-mobile__list {
    list-style: none;
    margin: 0;
    padding: 0;
}
.rs-smart-toc__item + .rs-smart-toc__item,
.rs-smart-toc-mobile__item + .rs-smart-toc-mobile__item {
    margin-top: 8px;
}
.rs-smart-toc__item a,
.rs-smart-toc-mobile__item a {
    text-decoration: none;
    color: #334155;
    display: block;
    line-height: 1.45;
    font-size: 14px;
}
.rs-smart-toc__item a.active,
.rs-smart-toc__item a:hover,
.rs-smart-toc-mobile__item a:hover {
    color: #0d7cb8;
}
.rs-smart-toc__item--h2 a,
.rs-smart-toc-mobile__item--h2 a {
    font-weight: 700;
}
.rs-smart-toc__item--h3 a,
.rs-smart-toc-mobile__item--h3 a {
    padding-left: 16px;
    font-size: 13px;
    color: #64748b;
}

.rs-smart-toc-mobile-toggle,
.rs-smart-toc-mobile,
.rs-smart-toc-overlay {
    display: none;
}

@media (max-width: 1200px) {
    .rs-smart-toc {
        display: none;
    }
}

body.rs-smart-toc-mobile-open {
    overflow: hidden;
}
body.rs-smart-toc-mobile-open .rs-smart-toc-overlay {
    display: block;
}
.rs-smart-toc-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15,23,42,.45);
    z-index: 9998;
}
.rs-smart-toc-mobile-toggle {
    position: fixed;
    right: 16px;
    bottom: 16px;
    z-index: 9999;
    border: 0;
    border-radius: 999px;
    padding: 12px 16px;
    background: #0f172a;
    color: #fff;
    font-weight: 700;
    box-shadow: 0 10px 30px rgba(15,23,42,.25);
}
.rs-smart-toc-mobile {
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: 12px;
    max-height: 70vh;
    overflow-y: auto;
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 18px 45px rgba(15,23,42,.25);
    z-index: 10000;
    padding: 14px;
}
.rs-smart-toc-mobile__head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding-bottom: 10px;
    margin-bottom: 8px;
    border-bottom: 1px solid rgba(15,23,42,.08);
}
.rs-smart-toc-mobile__close {
    width: 34px;
    height: 34px;
    border-radius: 999px;
    border: 0;
    background: #f1f5f9;
    font-size: 24px;
    line-height: 1;
}
body.rs-smart-toc-mobile-open .rs-smart-toc-mobile {
    display: block;
}