.dk-table-of-index {
    margin: 30px 0;
    padding: 24px;
    background: #f7f8fa;
    border: 1px solid #e2e5e9;
    border-radius: 12px;
}

.dk-toi-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.dk-toi-title {
    margin: 0;
    font-size: 22px;
    line-height: 1.3;
}

.dk-toi-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    border: 1px solid #d5d9df;
    border-radius: 6px;
    background: #fff;
    color: #222;
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
}

.dk-toi-content {
    margin-top: 18px;
}

.dk-toi-list {
    margin: 0;
    padding-left: 22px;
}

.dk-toi-item {
    margin-bottom: 10px;
}

.dk-toi-sub-item {
    margin-left: 22px;
    font-size: 15px;
}

.dk-toi-item a {
    color: #222;
    text-decoration: none;
}

.dk-toi-item a:hover,
.dk-toi-item a:focus {
    text-decoration: underline;
}

html {
    scroll-behavior: smooth;
}

.single-post h2[id],
.single-post h3[id] {
    scroll-margin-top: 110px;
}

@media (max-width: 600px) {
    .dk-table-of-index {
        padding: 18px;
    }

    .dk-toi-title {
        font-size: 19px;
    }

    .dk-toi-sub-item {
        margin-left: 12px;
    }
}