.seo-guide{box-sizing:border-box;max-width:1180px;margin:24px auto;padding:20px;border:1px solid #c9d7e8;background:#fff;color:#333;font-size:16px;line-height:1.85;clear:both;text-align:left}
.seo-guide h1,.seo-guide h2{font-size:23px;line-height:1.5;margin:0 0 12px;font-weight:600;color:#234554}.seo-guide h3{font-size:18px;margin:12px 0 6px}.seo-guide p{margin:8px 0}.seo-guide a{color:#17627a;text-decoration:underline}.seo-guide ul{padding-left:22px;list-style:disc}.seo-guide li{margin:6px 0;float:none!important;width:auto!important;height:auto!important}.seo-guide nav a{display:inline-block;margin:3px 14px 3px 0}.seo-article{font-size:16px;line-height:1.95;text-align:left;overflow-wrap:anywhere}.seo-article h2{font-size:21px;line-height:1.5;margin:26px 0 10px}.seo-article p{margin:12px 0}.seo-article a{color:#17627a;text-decoration:underline}.seo-article .article-note{font-size:14px;color:#666;border-top:1px solid #ddd;padding-top:15px}.seo-article nav{background:#f5f8fa;padding:14px}.seo-article nav a{display:block}.seo-article time{font-variant-numeric:tabular-nums}@media(max-width:767px){.seo-guide{width:auto;margin:16px 10px;padding:16px;font-size:15px}.seo-guide h1,.seo-guide h2{font-size:21px}.seo-article{font-size:16px}}
/* Raised white topic panel, aligned with the site's blue sidebar. */
.seo-guide[aria-label="管材知识专题"]{max-width:1200px;margin:28px auto;min-width:0;border:1px solid #b8cce7;border-top:3px solid #3388ff;border-radius:6px;background:#fff;box-shadow:0 5px 16px rgba(37,83,143,.09),inset 0 0 0 3px #f4f7fc}
.seo-guide[aria-label="管材知识专题"] h2{color:#285789}
.seo-guide[aria-label="管材知识专题"]>p{color:#546578}
.seo-guide[aria-label="管材知识专题"] ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:28px;row-gap:0;margin-top:12px;padding-left:0;list-style:none}
.seo-guide[aria-label="管材知识专题"] li{position:relative;margin:0;padding:10px 0 10px 14px;border-top:1px solid #e8eef6;line-height:1.7;overflow-wrap:anywhere}
.seo-guide[aria-label="管材知识专题"] li:before{content:"";position:absolute;left:0;top:21px;width:4px;height:4px;border-radius:50%;background:#3388ff}
.seo-guide[aria-label="管材知识专题"] li a{display:block;color:#365e88;text-decoration:none}
.seo-guide[aria-label="管材知识专题"] li a:hover{color:#1762cb;text-decoration:underline}
.seo-guide[aria-label="管材知识专题"] a:focus-visible{outline:2px solid #3388ff;outline-offset:3px}
@media(max-width:767px){.seo-guide[aria-label="管材知识专题"]{margin:20px 10px}.seo-guide[aria-label="管材知识专题"] ul{grid-template-columns:minmax(0,1fr);column-gap:0}}
/* Topics follow the article, independent of the height of the left column. */
.nycontainer--fitted>.boxright>.seo-guide[aria-label="管材知识专题"]{width:100%;max-width:none;margin:18px 0 0;padding:18px;font-size:15px;clear:both}
.nycontainer--fitted>.boxright>.seo-guide[aria-label="管材知识专题"] h2{font-size:21px}