.seo-page{margin:0 auto;max-width:1200px;padding:24px 20px 40px}.seo-breadcrumb{color:var(--yg-text-secondary);font-size:13px;margin-bottom:16px}.seo-breadcrumb a{color:var(--yg-text-secondary);text-decoration:none}.seo-breadcrumb a:hover{color:var(--yg-primary)}.seo-breadcrumb .sep{color:var(--yg-border);margin:0 6px}.seo-hero{background:linear-gradient(135deg,var(--yg-primary-bg) 0,#fff 100%);border:1px solid var(--yg-border-light);border-radius:16px;margin-bottom:32px;padding:40px 36px;text-align:center}.seo-hero h1{color:var(--yg-text-primary);font-size:32px;font-weight:800;line-height:1.3;margin:0 0 12px}.seo-hero .sub{color:var(--yg-text-secondary);font-size:16px;line-height:1.7;margin:0 auto 20px;max-width:720px}.seo-hero .badge{background:var(--yg-primary-bg);border:1px solid rgba(32,178,170,.3);border-radius:20px;color:var(--yg-primary-dark);display:inline-block;font-size:13px;margin-bottom:16px;padding:4px 14px}.seo-hero .cta-row{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}.seo-btn{border-radius:10px;display:inline-block;font-size:15px;font-weight:600;padding:11px 28px;text-decoration:none;transition:transform .2s,box-shadow .2s}.seo-btn-primary{background:var(--yg-primary);color:#fff}.seo-btn-primary:hover{background:var(--yg-primary-dark);box-shadow:0 6px 18px #20b2aa47;transform:translateY(-1px)}.seo-btn-ghost{background:#fff;border:1px solid var(--yg-primary);color:var(--yg-primary)}.seo-btn-ghost:hover{background:var(--yg-primary-bg)}.seo-section{margin-bottom:40px}.seo-h2{align-items:center;color:var(--yg-text-primary);display:flex;font-size:24px;font-weight:700;gap:8px;margin:0 0 8px}.seo-h2 .page-icon{margin-right:0}.seo-sub{color:var(--yg-text-secondary);font-size:14px;margin:0 0 20px}.seo-grid-3{display:grid;gap:16px;grid-template-columns:repeat(3,1fr)}.seo-grid-4{display:grid;gap:16px;grid-template-columns:repeat(4,1fr)}.seo-card{background:var(--yg-bg-card);border:1px solid var(--yg-border-light);border-radius:12px;padding:24px 20px;transition:box-shadow .2s,transform .2s}.seo-card:hover{box-shadow:0 6px 24px #20b2aa1a;transform:translateY(-2px)}.seo-card .icon-png{height:36px;margin-bottom:12px;width:36px}.seo-card h3{color:var(--yg-text-primary);font-size:16px;font-weight:600;margin:0 0 8px}.seo-card p{color:var(--yg-text-secondary);font-size:14px;line-height:1.65;margin:0}.seo-table-wrap{border:1px solid var(--yg-border-light);border-radius:12px;overflow-x:auto}.seo-table{background:var(--yg-bg-card);border-collapse:collapse;font-size:14px;min-width:560px;width:100%}.seo-table th{background:var(--yg-primary-bg);color:var(--yg-text-primary);font-weight:600;text-align:left;white-space:nowrap}.seo-table td,.seo-table th{border-bottom:1px solid var(--yg-border-light);padding:12px 16px}.seo-table td{color:var(--yg-text-regular);line-height:1.6;vertical-align:top}.seo-table tr:last-child td{border-bottom:none}.seo-table tr:hover td{background:var(--yg-bg-page)}.seo-steps{counter-reset:seo-step;display:grid;gap:16px;grid-template-columns:repeat(3,1fr)}.seo-step{background:var(--yg-bg-card);border:1px solid var(--yg-border-light);border-radius:12px;padding:24px 20px;position:relative}.seo-step:before{align-items:center;background:var(--yg-primary-bg);border-radius:50%;color:var(--yg-primary);content:counter(seo-step);counter-increment:seo-step;display:flex;font-size:15px;font-weight:700;height:28px;justify-content:center;position:absolute;right:20px;top:16px;width:28px}.seo-step h3{color:var(--yg-text-primary);font-size:16px;font-weight:600;margin:0 0 8px}.seo-step p{color:var(--yg-text-secondary);font-size:14px;line-height:1.65;margin:0}.seo-faq-item{background:var(--yg-bg-card);border:1px solid var(--yg-border-light);border-radius:10px;margin-bottom:12px;padding:16px 20px}.seo-faq-item h3{color:var(--yg-text-primary);font-size:15px;font-weight:600;margin:0 0 6px}.seo-faq-item p{color:var(--yg-text-regular);font-size:14px;line-height:1.7;margin:0}.seo-case{background:var(--yg-bg-card);border:1px solid var(--yg-border-light);border-radius:12px;margin-bottom:16px;padding:24px}.seo-case .score{color:var(--yg-primary);font-size:18px;font-weight:800}.seo-case h3{color:var(--yg-text-primary);font-size:17px;font-weight:600;margin:0 0 8px}.seo-case p{color:var(--yg-text-regular);font-size:14px;line-height:1.7;margin:0 0 6px}.seo-inner-links{background:var(--yg-bg-page);border:1px solid var(--yg-border-light);border-radius:12px;padding:20px 24px}.seo-inner-links h3{color:var(--yg-text-primary);font-size:15px;font-weight:600;margin:0 0 12px}.seo-inner-links ul{display:grid;gap:8px 24px;grid-template-columns:repeat(3,1fr);list-style:none;margin:0;padding:0}.seo-inner-links li{font-size:14px}.seo-inner-links a{color:var(--yg-primary);text-decoration:none}.seo-inner-links a:hover{text-decoration:underline}.seo-note{border-top:1px dashed var(--yg-border);color:var(--yg-text-secondary);font-size:12px;line-height:1.6;margin-top:32px;padding-top:16px}.seo-body p{color:var(--yg-text-regular);font-size:15px;line-height:1.85;margin:0 0 14px}.seo-body h3{color:var(--yg-text-primary);font-size:17px;font-weight:600;margin:24px 0 10px}@media(max-width:900px){.seo-grid-3,.seo-grid-4,.seo-steps{grid-template-columns:repeat(2,1fr)}.seo-hero{padding:28px 20px}.seo-hero h1{font-size:24px}.seo-inner-links ul{grid-template-columns:1fr 1fr}}@media(max-width:600px){.seo-grid-3,.seo-grid-4,.seo-inner-links ul,.seo-steps{grid-template-columns:1fr}.seo-h2{font-size:20px}}