#cnblogs_ch, #opt_under_post, #cnblogs_c1, #cnblogs_c2, #under_post_card1, #under_post_card2 {
    display: none;
}

.my-toc {
    position: fixed;
    bottom: 50px;
    left: 50px;
    background-color: #fff;
    /* padding: 30px 60px; */
    box-shadow: 0 4px 12px rgb(100 100 100 / 30%);

    overflow: hidden;
    height: 48px;
    width: 48px;
    border-radius: 24px;

    transition: 0.3s;
}

.my-toc:hover {
    height: auto;
    width: auto;
    border-radius: 0;
    padding: 30px 60px;
}

.my-toc .title::before {
    content: "≡";
    font-size: 36px;
    font-weight: normal;
    display: block;
    text-align: center;
    line-height: 48px;
    color: #757575;
}

.my-toc:hover .title::before {
    content: "导航目录";
    font-size: 16px;
    font-weight: bold;
    line-height: 2;
    display: block;
    text-align: left;
    color: black;
}

.my-toc a {
    display: block;
    color: #757575;
    line-height: 1.8;
}

.my-toc a::before {
    content: "§ ";
}

.my-toc a:hover {
    color: #21759b;
    text-decoration: underline;
}

.my-toc a.h1 {
    padding-left: 0px;
    font-weight: 900;
    font-size: 24px;
}

.my-toc a.h2 {
    padding-left: 12px;
    font-weight: 800;
    font-size: 20px;
}

.my-toc a.h3 {
    padding-left: 24px;
    font-weight: 700;
    font-size: 16px;
}

.my-toc a.h4 {
    padding-left: 36px;
    font-weight: 600;
    font-size: 12px;
}

.my-toc a.h5 {
    padding-left: 48px;
    font-weight: 500;
}

/* .my-toc a.h1::before {
    content: "♢ ";
}

.my-toc a.h2::before {
    content: " ♢ "
}

.my-toc a.h3::before {
    content: "  ♢ ";
}

.my-toc a.h4::before {
    content: "   ♢ ";
}

.my-toc a.h5::before {
    content: "    ♢ ";
} */

@media print {
    #topics {
        position: absolute;
        background: white;
        top: 0;
        left: 0;
        right: 0;
        padding: 96px 120px;
    }

    #sideBar {
        display: none;
    }

    .my-toc {
        display: none;
    }
}