body {
    position: relative;
    margin: 0 !important;

    padding: 0 !important;
    box-sizing: border-box;
    max-width: 100% !important;


}

header {
    position: fixed;
    width: 100vw;
    top: 0;
    height: 60px;
    background-color: #fff;
    box-shadow: 0 2px 10px 0 rgba(0, 0, 0, .1);
    z-index: 999;

}

table {
    display: flex;
    justify-content: center;
}

.tools {
    margin-left: auto;
}

a {
    color: #000;
    font-size: 13px;
    line-height: 13px;
    text-decoration: none;
}

.qrcode-container {
    position: fixed;
    right: calc(50vw - 555px);
    top: 80px;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: top 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.link-container {
    position: fixed;
    right: calc(50vw - 555px);
    top: 300px;
    width: 174px;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);

    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: top 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.top-container{
    position: fixed;
    right: calc(50vw - 483px);
    top: 630px;
    width: 30px;
    height: 30px;
    z-index: 1000;
    border-radius: 50%;
    transition: top 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    font-size: 12px;
    cursor: pointer;
    text-align: center;
}
/* .top-container:hover {
    background: #0056b3;
    color: #fff;
} */

.top-container.show {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.top-img{
    margin-top: 3px;
    width: 20px !important;
    height: 20px;
}
#qrcode {
    width: 144px;
    height: 144px;
}

.qr-text {
    display: inline-block;
    margin-top: 10px;
    font-size: 12px;
}

.qr-a {

    width: 100%;
    padding: 16px 0;
    text-align: center;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-content {
    width: 100%;
    height: 100%;
    transform: translate(-11px);
}

.qr-img1 {
    width: 22px !important;
    height: 22px;
    margin-right: 11px;
}

.qr-name {
    margin-right: 22px;
}

.qr-a:hover {
    color: #fff;
    background-color: rgb(53, 131, 248);

}

.logo-content {
    max-width: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    height: 60px;
}

.logo {
    display: flex;
    align-items: center;
    height: 100%;

    width: 150px;
    cursor: pointer;
}

/* 基础样式 */
.content {
    font-family: "PingFang SC", "Helvetica Neue", -apple-system, system-ui, sans-serif;
    line-height: 1.8;
    padding: 0 15px;
    max-width: 680px;
    margin: 80px auto;
    background: #fff;
    color: #444;
}

/* 标题系统 */
h1 {
    font-size: 22px;
    line-height: 1.4;
    margin-bottom: 6px;
    font-weight: 500;
}

.article-meta {
    font-size: 14px;
    color: #999;
    margin-bottom: 10px;
    line-height: 1.6;
    font-family: "PingFang SC", "Helvetica Neue", -apple-system, system-ui, sans-serif;
}

.article-meta span {
    margin-right: 16px;
}

.meta-author a {
    color: inherit;
    text-decoration: none;
}

.meta-author a:hover {
    color: #1557b0;
    text-decoration: underline;
}

section[style*="width: 677px;margin-bottom: unset;"] {
    display: none !important;
}

.rich_media_content * {
    max-width: 100% !important;
    box-sizing: border-box !important;
    -webkit-box-sizing: border-box !important;
    word-wrap: break-word !important;
}

.related-list {
    margin-top: 20px;
    padding: 14px 0;
}

.related-title {
    font-size: 15px;
    font-weight: 500;
    color: #444;
    margin-bottom: 10px;
}

.related-item {
    display: block;
    font-size: 14px;
    line-height: 1.6;
    padding: 6px 0;
    color: #1a73e8;
    text-decoration: none;
}

.related-item:hover {
    color: #1557b0;
    text-decoration: underline;
}

/* 默认样式（移动端优先） */
img[data-w="640"] {
    width: 100% !important;
    height: auto;
    display: block;
    max-width: 100%;
}

/* 大屏适配 */
@media screen and (min-width: 768px) {
    img[data-w="640"] {
        width: 680px !important;
        max-width: none;
        margin-left: auto;
        margin-right: auto;
    }

    .logo-content {
        max-width: 680px;
    }
}

img {
    width: 100% !important;
}

@media print {
    header {
        position: static;
    }

    .qrcode-container,
    .link-container,
    .top-container,
    .tools {
        display: none !important;
    }
}