/* 商户内容栏目：在现有站点风格上增加阅读与检索布局。 */
.navbar .nav-menu{gap:18px}.navbar .nav-menu a{font-size:14px}.nav-logo{white-space:nowrap}
.seo-hero{padding:116px 0 46px}.seo-hero h1{text-wrap:balance;max-width:940px;margin:0 auto 20px;font-size:clamp(28px,3.4vw,45px);line-height:1.45}.seo-hero .subtitle{max-width:880px;margin:0 auto 22px;line-height:1.9}
.seo-eyebrow{color:var(--gold-dark);font-size:13px;font-weight:700;letter-spacing:.06em;margin-bottom:10px}.seo-hero .seo-eyebrow{color:var(--gold-light)}
.seo-meta{display:flex;flex-wrap:wrap;justify-content:center;gap:9px 22px;color:#b6c8d8;font-size:13px}.seo-hero .breadcrumb{flex-wrap:wrap;line-height:1.7}
.seo-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.seo-card{display:flex;flex-direction:column;min-width:0;border:1px solid var(--border);background:#fff;border-radius:14px;padding:26px;box-shadow:0 4px 18px rgba(13,33,55,.04)}.seo-card h3{font-size:20px;line-height:1.6;margin-bottom:12px;color:var(--blue)}.seo-card h3 a:hover,.seo-topics a:hover{text-decoration:underline}.seo-card>p:not(.seo-eyebrow){color:var(--text-light);line-height:1.85;font-size:14px;margin-bottom:24px}.seo-card-meta{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;margin-top:auto;font-size:12px;color:var(--text-muted)}.seo-card-meta a{color:var(--blue);font-weight:700}
.seo-category-tabs{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-bottom:30px}.seo-category-tabs a,.seo-tags a{border:1px solid #d7e1e9;background:#fff;border-radius:999px;padding:10px 18px;color:var(--blue);font-size:14px}.seo-category-tabs a:hover,.seo-tags a:hover{background:#edf4f8}
.seo-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:44px;align-items:start;padding-top:44px;padding-bottom:28px}.seo-toc{position:sticky;top:100px;padding:23px;background:#eef3f7;border:1px solid #dce5ec;border-radius:12px}.seo-toc h2{font-size:17px;margin-bottom:16px;color:var(--blue)}.seo-toc ol{padding-left:20px;display:grid;gap:12px;font-size:14px;line-height:1.7;color:var(--text-light)}.seo-toc a:hover{color:var(--blue);text-decoration:underline}.seo-article{min-width:0;max-width:850px}.seo-section{padding:0 0 30px;margin-bottom:30px;border-bottom:1px solid var(--border);scroll-margin-top:110px}.seo-section h2,.seo-sources h2,.seo-next-step h2{font-size:25px;line-height:1.55;margin-bottom:18px;color:var(--blue)}.seo-section p:not(.seo-section-kind),.seo-sources p,.seo-next-step p{line-height:1.95;color:var(--text-light);margin-bottom:14px}.seo-section-kind{display:inline-block;font-size:12px;color:#2a6473;background:#eaf5f5;border-radius:5px;padding:4px 9px;margin-bottom:10px}.seo-section .seo-section-sources{font-size:13px;background:#f5f8fa;border-left:3px solid #a9c3d3;padding:12px 15px}.seo-section-sources a,.seo-sources a{color:var(--blue);text-decoration:underline;overflow-wrap:anywhere}.seo-sources{padding:25px;background:#f3f6f9;border-radius:12px;scroll-margin-top:110px}.seo-sources ul{padding-left:20px}.seo-sources li{margin-bottom:18px;line-height:1.7;scroll-margin-top:110px}.seo-sources li span{display:block;font-size:12px;color:var(--text-muted);margin-top:6px}.seo-sources p{font-size:13px}.seo-tags{display:flex;flex-wrap:wrap;gap:9px;margin:25px 0}.seo-tags a{font-size:12px;padding:7px 12px}.seo-next-step{margin-top:32px;padding:28px;border-radius:12px;border:1px solid #e5d3a7;background:#fffaf0}.seo-next-step .btn-gold{margin-top:6px}.seo-related{background:#f4f7fa}.seo-back{margin-top:26px;text-align:center;color:var(--blue)}.seo-topics{margin-top:48px;padding-top:28px;border-top:1px solid var(--border)}.seo-topics>h2{color:var(--blue);font-size:25px;margin-bottom:18px}.seo-topics>section{scroll-margin-top:110px;margin:22px 0}.seo-topics h3{font-size:17px;color:var(--blue);margin-bottom:9px}.seo-topics ul{padding-left:22px;line-height:1.9;color:var(--text-light)}
@media(max-width:1100px) and (min-width:769px){.navbar .nav-menu{gap:12px}.navbar .nav-menu a{font-size:13px}.navbar .nav-cta{padding:10px 15px}.nav-logo span{font-size:21px}.seo-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:768px){.seo-hero{padding:103px 0 34px}.seo-layout{grid-template-columns:1fr;gap:26px;padding-top:26px}.seo-toc{position:static;padding:20px}.seo-toc ol{gap:8px}.seo-grid{grid-template-columns:1fr}.seo-card{padding:22px}.seo-category-tabs{gap:9px}.seo-category-tabs a{padding:9px 13px;font-size:13px}.seo-section h2,.seo-sources h2,.seo-next-step h2{font-size:22px}.seo-sources,.seo-next-step{padding:21px}.seo-meta{font-size:12px;gap:7px 15px}.seo-hero .breadcrumb{font-size:12px}.seo-home .section-heading p{line-height:1.8}.seo-article{width:100%}}