body {
    font-family: system-ui, sans-serif;
    line-height: 1.7;
    color: #222;
    background: #f9fafb;
    margin: 0;
    padding: 0;
}

.detail-container {
    display: flex;
    max-width: 75rem;
    margin: 2.5rem auto;
    gap: 2.5rem;
    padding: 0 1rem;
    transition: transform 0.3s ease;
    position: relative;
}

.detail-container .article-content img {
    width: 100% !important;
}


.main-content {
    flex: 1;
    background: white;
    padding: 2rem 1.5rem;
    border-radius: 0.75rem;
    box-shadow: 0 0.0625rem 0.625rem rgba(0, 0, 0, 0.06);
}

/* 桌面端目录 */
.toc.fixed {
    position: fixed;
}

.toc-wrapper {
	display: none;
    width: 17.5rem;
    flex-shrink: 0;
}

#toc-desktop {
    width: 17.5rem;
    height: 26.25rem;
    padding: 0.5rem;
    box-sizing: border-box;
    background: #fff;
    border-radius: 0.75rem;
    box-shadow: 0 0.0625rem 0.625rem rgba(0, 0, 0, 0.06);
}

.bitoc-nav a {
    padding: 0.625rem 0.375rem !important;
    border-radius: 0.375rem;
    margin-top: 0.375rem;
}

.bitoc-nav a:before {
    content: none !important;
}

.toc-mulv {
    font-weight: bold;
    padding-bottom: 0.3125rem;
}

.toc {
    width: 16.25rem;
    height: 23.125rem;
}

.toc .bitoc,
.toc .bitoc .bitoc-navs {
    width: 16.25rem;
    height: 100%;
}

.bitoc-nav a:hover,
.bitoc-nav a.active {
    background: #f0f5ff;
    color: #0066cc !important;
    font-weight: bold;
}

/* 文章标题样式 */
h1,
h2,
h3,
h4 {
    color: #111;
    margin: 2.4em 0 0.6em;
}

h1 {
    font-size: 2.4rem;
}

h2 {
    font-size: 1.95rem;
    padding-left: 0.875rem;
}

h3 {
    font-size: 1.6rem;
}

h4 {
    font-size: 1.35rem;
    color: #304050;
}

p {
    margin: 1.4em 0;
}

.intro {
    font-size: 1.15rem;
    color: #444;
    margin-bottom: 3em;
}

.share {
    position: fixed;
    width: 5rem;
    margin-left: -6.25rem;
}

.share-container {
    width: 100%;
    padding: 0.75rem 0;
    box-sizing: border-box;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.share-container img {
    width: 2.25rem;
    cursor: pointer;
    margin: 0.3125rem 0;
}

.wechat-box {
    position: absolute;
    top: 0px;
    left: 6.25rem;
    width: 13.75rem;
    height: 15rem;
    display: none;
}

.wechat-title {
    display: flex;
    height: 1.75rem;
    justify-content: space-between;
    align-items: center;
    background: #f2f2f2;
    padding: 0.125rem 0.375rem;
    box-sizing: border-box;
    font-size: 0.875rem;
}

.wechat-content {
    width: 100%;
    height: calc(15rem - 1.75rem);
    padding: 0.5rem 0.625rem;
    background: #fff;
}

.wechat-content img {
    width: 100%;
    height: 100%;
    margin: 0;
}

.share-link {
    width: 100%;
    margin: 0.3125rem auto;
    /* height: 58px; */
    /* background: #424242; */
    font-size: 0.75rem;
    color: #000;
    line-height: 1.375rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.share-link img {
    width: 3.125rem;
    height: 3.125rem;
    padding: 0.75rem;
    border: 0.0625rem solid #ccc;
    border-radius: 50%;
}

.meta-box {
    display: flex;
}

.meta-item {
    display: flex;
    align-items: center;
    margin: 0 0.625rem;
    font-size: 0.875rem;
    color: #8a919f;
}

.meta-item img {
    width: 1.25rem;
    margin-right: 0.1875rem;
}