/* Supplemental styles; existing style.css remains unchanged */
.seo-nav{display:flex;flex-wrap:wrap;gap:12px;padding:15px 5%;background:#eef5ff;border-bottom:1px solid #dce7f6}.seo-nav a{color:#0752a2;font-weight:650;text-decoration:none}.seo-nav a:hover{text-decoration:underline}
.seo-main{max-width:1000px;margin:0 auto;padding:30px 22px 65px;line-height:1.65;color:#182b45}.seo-main h1{font-size:clamp(2rem,5vw,3.1rem);line-height:1.15}.seo-main h2{margin-top:38px}.seo-main a{color:#0867c7}.seo-lead{font-size:1.13rem;color:#465b73}.seo-card{border:1px solid #d7e3f0;border-radius:14px;padding:22px;margin:22px 0;background:#f9fbff}.seo-card label{display:block;margin:13px 0;font-weight:600}.seo-card input,.seo-card select{display:block;width:100%;max-width:360px;padding:10px;border:1px solid #aebfd2;border-radius:7px;background:#fff;color:#13283f}.seo-card button{background:#1166c2;color:white;padding:11px 19px;border:0;border-radius:7px;cursor:pointer}.seo-result{font-size:1.2rem;font-weight:700;margin-top:16px}.seo-muted{color:#566b81;font-size:.93rem}.seo-table{width:100%;border-collapse:collapse}.seo-table th,.seo-table td{padding:12px;border:1px solid #d8e3ed;text-align:left}.seo-table th{background:#eaf2fb}.seo-footer{padding:30px 5%;border-top:1px solid #dbe6f0;font-size:.95rem}.seo-footer a{margin-right:16px}.seo-links{display:flex;flex-wrap:wrap;gap:16px;margin:20px 0}.seo-links a{padding:10px 14px;background:#eaf3ff;border-radius:8px;text-decoration:none}