.seo-home{margin:38px 0 12px;padding:28px 0 12px;border-top:1px solid #e8edf2;color:#476079}.seo-home h2{font-size:21px;color:#263f58;margin:0 0 13px}.seo-home p{font-size:14px;line-height:1.9;color:#718191;margin:0 0 16px}.seo-feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:24px 0}.seo-feature-grid article{border:1px solid #e6edf3;border-radius:12px;padding:20px;background:#fbfcfe}.seo-feature-grid h3{font-size:16px;margin:0 0 10px;color:#345270}.seo-feature-grid p{margin:0;font-size:13px}.seo-home a,.guide-body a{color:#087f8c;text-decoration:underline;text-underline-offset:3px}.seo-faq{border-top:1px solid #e8edf2;margin-top:26px;padding-top:24px}.seo-faq details{border-bottom:1px solid #e8edf2;padding:15px 0}.seo-faq summary{font-size:14px;color:#3b5874;cursor:pointer}.seo-faq details p{margin:12px 0 0;font-size:13px}.has-document .seo-home{display:none}.guide-page{margin:0;background:#f8fafc;color:#29425a;font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif}.guide-header{display:flex;align-items:center;justify-content:space-between;max-width:1000px;padding:23px;margin:auto;border-bottom:1px solid #e5ecf2}.guide-header a{color:#173b64;text-decoration:none;font-weight:600}.guide-header .guide-action{color:white;background:#087f8c;border-radius:8px;padding:10px 17px;font-size:14px}.guide-body{max-width:830px;margin:34px auto;padding:0 24px}.guide-body h1{font-size:32px;line-height:1.4;margin:0 0 18px;color:#183b60}.guide-body h2{font-size:22px;margin:34px 0 14px;color:#234561}.guide-body h3{font-size:17px;margin:24px 0 12px}.guide-body p,.guide-body li{font-size:15px;line-height:1.9;color:#617488}.guide-body nav{padding:18px 22px;border:1px solid #dfe8f0;border-radius:12px;background:white;margin:26px 0}.guide-body nav a{display:inline-block;margin:5px 18px 5px 0;font-size:14px}.guide-body li{margin-bottom:9px}.guide-card{background:white;border:1px solid #e2eaf1;border-radius:13px;padding:24px;margin-top:23px}.guide-card h2{margin-top:0}.guide-footer{max-width:1000px;padding:30px 23px;margin:45px auto 0;border-top:1px solid #e5ecf2;color:#8694a1;font-size:12px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px}.guide-footer a{color:#718296}.site-footer{flex-wrap:wrap;gap:12px}@media(max-width:680px){.seo-feature-grid{grid-template-columns:1fr;gap:12px}.seo-feature-grid article{padding:17px}.seo-home{padding-top:24px;margin-top:24px}.guide-body h1{font-size:26px}.guide-header{padding:18px}.guide-card{padding:20px}}