:root{--seo-blue:#1769e0;--seo-blue-dark:#0f4da8;--seo-ink:#172033;--seo-muted:#667085;--seo-line:#dfe5ee;--seo-bg:#f6f8fc;--seo-card:#fff;--seo-ok:#0f8a4b;--seo-warn:#b66a00;--seo-bad:#c62f3a;--seo-radius:20px;--seo-shadow:0 14px 40px rgba(18,39,74,.08)}
*{box-sizing:border-box}.seo-page{max-width:1240px;margin:0 auto;padding:24px 18px 70px;color:var(--seo-ink);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.seo-breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:.9rem;color:var(--seo-muted);margin:6px 0 18px}.seo-breadcrumb a{color:var(--seo-blue);text-decoration:none}.seo-hero{display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:center;padding:30px;border:1px solid var(--seo-line);border-radius:28px;background:linear-gradient(135deg,#fff 0%,#eef5ff 100%);box-shadow:var(--seo-shadow)}.seo-hero-icon{width:78px;height:78px;border-radius:22px;display:grid;place-items:center;background:linear-gradient(135deg,var(--seo-blue),var(--seo-blue-dark));color:#fff;font-size:2rem;box-shadow:0 12px 30px rgba(23,105,224,.26)}.seo-eyebrow{margin:0 0 5px;color:var(--seo-blue);text-transform:uppercase;letter-spacing:.11em;font-weight:800;font-size:.76rem}.seo-hero h1{margin:0;font-size:clamp(2rem,5vw,3.35rem);line-height:1.06}.seo-hero>div>p:last-of-type{margin:12px 0 0;color:var(--seo-muted);font-size:1.05rem;line-height:1.7;max-width:860px}.seo-trust{display:flex;gap:10px;flex-wrap:wrap;margin-top:17px}.seo-trust span{display:inline-flex;align-items:center;gap:7px;background:#fff;border:1px solid var(--seo-line);border-radius:999px;padding:8px 11px;font-size:.84rem;font-weight:700;color:#39445a}.seo-workspace{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:22px;margin-top:24px}.seo-main-card,.seo-side-card,.seo-content-section{background:var(--seo-card);border:1px solid var(--seo-line);border-radius:var(--seo-radius);box-shadow:var(--seo-shadow)}.seo-main-card{padding:25px;min-width:0}.seo-side-card{padding:24px;align-self:start;position:sticky;top:18px}.seo-side-card h2,.seo-content-section h2,.seo-results h2{margin:0 0 12px;font-size:1.35rem}.seo-side-card p{color:var(--seo-muted);line-height:1.65}.seo-side-card ul{list-style:none;margin:18px 0;padding:0;display:grid;gap:12px}.seo-side-card li{display:flex;gap:9px;line-height:1.45}.seo-side-card li i{color:var(--seo-ok);margin-top:3px}.seo-side-note,.seo-note{border-radius:14px;padding:13px 14px;line-height:1.55;font-size:.9rem}.seo-side-note{background:#fff8e8;border:1px solid #f3dca6;color:#6f4a08}.seo-note{display:flex;gap:10px;background:#eef5ff;border:1px solid #cfe0fa;color:#2f4a72}.seo-source-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px;padding:5px;border-radius:14px;background:#eef3f9}.seo-source-tabs label{flex:1;min-width:130px;cursor:pointer}.seo-source-tabs input{position:absolute;opacity:0;pointer-events:none}.seo-source-tabs label{display:block;text-align:center;padding:10px 12px;border-radius:10px;font-weight:800;color:#52627a}.seo-source-tabs label:has(input:checked){background:#fff;color:var(--seo-blue);box-shadow:0 3px 12px rgba(22,56,96,.1)}.seo-tool-form{display:grid;gap:17px}.seo-field{display:grid;gap:7px}.seo-field>span{font-weight:800;font-size:.94rem}.seo-field em{font-style:normal;color:var(--seo-muted);font-weight:500}.seo-field input,.seo-field textarea,.seo-field select{width:100%;border:1.5px solid #cfd7e3;border-radius:12px;padding:13px 14px;font:inherit;color:var(--seo-ink);background:#fff;transition:border-color .2s,box-shadow .2s}.seo-field textarea{resize:vertical;min-height:90px;line-height:1.55}.seo-field input:focus,.seo-field textarea:focus,.seo-field select:focus{outline:none;border-color:var(--seo-blue);box-shadow:0 0 0 4px rgba(23,105,224,.11)}.seo-field small{color:var(--seo-muted);line-height:1.45}.seo-two-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.seo-check{display:flex;align-items:center;gap:9px;font-weight:700}.seo-check input{width:18px;height:18px;accent-color:var(--seo-blue)}.seo-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:2px}.seo-primary,.seo-secondary,.seo-mini-btn{border:0;border-radius:12px;font:inherit;font-weight:800;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:transform .18s,box-shadow .18s}.seo-primary{background:linear-gradient(135deg,var(--seo-blue),var(--seo-blue-dark));color:#fff;padding:13px 20px;min-width:150px;box-shadow:0 8px 20px rgba(23,105,224,.22)}.seo-primary:hover,.seo-secondary:hover,.seo-mini-btn:hover{transform:translateY(-1px)}.seo-secondary,.seo-mini-btn{background:#edf2f8;color:#344054;padding:12px 16px}.seo-mini-btn{padding:8px 11px;font-size:.84rem}.seo-alert{padding:13px 15px;border-radius:12px;line-height:1.5}.seo-alert.is-error{background:#fff0f1;border:1px solid #f5c6ca;color:#8f1f29}.seo-alert.is-success{background:#edf9f2;border:1px solid #bfe7cf;color:#17633d}.seo-progress{height:8px;background:#e7edf5;border-radius:999px;overflow:hidden}.seo-progress span{display:block;width:36%;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--seo-blue),#57a0ff);animation:seoLoad 1.1s linear infinite}@keyframes seoLoad{from{transform:translateX(-120%)}to{transform:translateX(320%)}}.seo-results{margin-top:24px;border-top:1px solid var(--seo-line);padding-top:24px}.seo-result-head{display:flex;justify-content:space-between;gap:14px;align-items:center;flex-wrap:wrap;margin-bottom:16px}.seo-score{width:92px;height:92px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--score-color,var(--seo-blue)) calc(var(--score,0)*1%),#e9eef5 0);position:relative}.seo-score:before{content:"";position:absolute;inset:9px;border-radius:50%;background:#fff}.seo-score strong{position:relative;font-size:1.35rem}.seo-summary-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:15px 0}.seo-summary-card{padding:14px;border-radius:14px;background:#f7f9fc;border:1px solid var(--seo-line)}.seo-summary-card strong{display:block;font-size:1.35rem}.seo-summary-card span{font-size:.82rem;color:var(--seo-muted)}.seo-findings{display:grid;gap:10px;margin-top:15px}.seo-finding{display:grid;grid-template-columns:auto 1fr;gap:10px;padding:13px 14px;border:1px solid var(--seo-line);border-radius:13px;background:#fff}.seo-finding i{margin-top:3px}.seo-finding strong{display:block;margin-bottom:3px}.seo-finding p{margin:0;color:var(--seo-muted);line-height:1.5}.seo-finding.is-pass i{color:var(--seo-ok)}.seo-finding.is-warning i{color:var(--seo-warn)}.seo-finding.is-error i{color:var(--seo-bad)}.seo-finding.is-info i{color:var(--seo-blue)}.seo-table-wrap{overflow:auto;border:1px solid var(--seo-line);border-radius:14px;margin-top:15px}.seo-table{width:100%;border-collapse:collapse;min-width:650px}.seo-table th,.seo-table td{padding:11px 12px;border-bottom:1px solid var(--seo-line);text-align:left;vertical-align:top;font-size:.88rem}.seo-table th{background:#f4f7fb;color:#475467;position:sticky;top:0}.seo-table tr:last-child td{border-bottom:0}.seo-url{word-break:break-all;max-width:430px}.seo-code{position:relative;background:#101828;color:#e6edf7;border-radius:14px;padding:16px;overflow:auto;white-space:pre-wrap;word-break:break-word;line-height:1.6;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.86rem}.seo-toolbar{display:flex;gap:8px;flex-wrap:wrap;margin:13px 0}.seo-tag{display:inline-flex;align-items:center;border-radius:999px;padding:5px 9px;font-size:.76rem;font-weight:800;background:#edf2f8;color:#475467}.seo-tag.is-pass{background:#e8f7ef;color:#17633d}.seo-tag.is-warning{background:#fff5db;color:#805b09}.seo-tag.is-error{background:#feecee;color:#9b2731}.seo-preview{border:1px solid var(--seo-line);border-radius:14px;padding:17px;background:#fff}.seo-preview .seo-preview-url{font-size:.83rem;color:#2f6b3a}.seo-preview .seo-preview-title{font-size:1.2rem;color:#1a0dab;margin:5px 0}.seo-preview .seo-preview-desc{color:#4d5156;line-height:1.45}.seo-content-section{padding:27px;margin-top:24px}.seo-content-section>p{color:var(--seo-muted);line-height:1.7}.seo-steps{list-style:none;padding:0;margin:20px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.seo-steps li{display:flex;gap:12px;padding:16px;border:1px solid var(--seo-line);border-radius:15px}.seo-steps li>span{width:31px;height:31px;flex:0 0 31px;border-radius:50%;display:grid;place-items:center;background:#eaf2ff;color:var(--seo-blue);font-weight:900}.seo-steps p{margin:5px 0 0;color:var(--seo-muted);line-height:1.55}.seo-faq details{border-top:1px solid var(--seo-line);padding:16px 0}.seo-faq details:last-child{padding-bottom:0}.seo-faq summary{font-weight:800;cursor:pointer}.seo-faq p{color:var(--seo-muted);line-height:1.65}.seo-index-hero{text-align:center;padding:34px 20px 20px}.seo-index-hero h1{font-size:clamp(2.2rem,6vw,4rem);margin:0}.seo-index-hero p{max-width:780px;margin:14px auto;color:var(--seo-muted);font-size:1.05rem;line-height:1.7}.seo-category{margin-top:30px}.seo-category-head{display:flex;align-items:end;justify-content:space-between;gap:12px;margin-bottom:13px}.seo-category-head h2{margin:0;font-size:1.55rem}.seo-category-head span{color:var(--seo-muted);font-size:.9rem}.seo-tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.seo-tool-card{display:flex;gap:14px;padding:18px;border:1px solid var(--seo-line);border-radius:17px;text-decoration:none;color:inherit;background:#fff;box-shadow:0 8px 24px rgba(18,39,74,.05);transition:transform .2s,border-color .2s,box-shadow .2s}.seo-tool-card:hover{transform:translateY(-3px);border-color:#b7cef0;box-shadow:0 14px 30px rgba(18,39,74,.1)}.seo-tool-card-icon{width:48px;height:48px;flex:0 0 48px;border-radius:13px;display:grid;place-items:center;background:#edf4ff;color:var(--seo-blue);font-size:1.15rem}.seo-tool-card h3{margin:0 0 6px;font-size:1.02rem}.seo-tool-card p{margin:0;color:var(--seo-muted);font-size:.88rem;line-height:1.5}.seo-muted{color:var(--seo-muted)}
@media(max-width:980px){.seo-workspace{grid-template-columns:1fr}.seo-side-card{position:static}.seo-tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.seo-steps{grid-template-columns:1fr}.seo-summary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.seo-page{padding:14px 12px 50px}.seo-hero{grid-template-columns:1fr;padding:22px}.seo-hero-icon{width:62px;height:62px;border-radius:18px}.seo-main-card,.seo-side-card,.seo-content-section{padding:18px}.seo-two-col{grid-template-columns:1fr}.seo-tool-grid{grid-template-columns:1fr}.seo-summary-grid{grid-template-columns:1fr 1fr}.seo-actions>*{flex:1}.seo-source-tabs{display:grid;grid-template-columns:1fr 1fr}.seo-tool-card{padding:15px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}.seo-progress span{animation:none;width:100%}.seo-tool-card,.seo-primary,.seo-secondary,.seo-mini-btn{transition:none}}

/* Long-form, tool-specific SEO guide content */
.seo-section-kicker{margin:0 0 6px!important;color:var(--seo-blue)!important;text-transform:uppercase;letter-spacing:.1em;font-size:.74rem!important;font-weight:900}.seo-guide-copy{display:grid;gap:12px;max-width:980px}.seo-guide-copy p,.seo-limitations p{margin:0;color:var(--seo-muted);line-height:1.78;font-size:1rem}.seo-check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:18px}.seo-check-card{display:flex;gap:12px;align-items:flex-start;padding:16px;border:1px solid var(--seo-line);border-radius:15px;background:#f9fbfe}.seo-check-card i{color:var(--seo-blue);margin-top:4px}.seo-check-card p{margin:0;line-height:1.58;color:#475467}.seo-steps-four{grid-template-columns:repeat(2,minmax(0,1fr))}.seo-info-split{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}.seo-info-split>div+div{border-left:1px solid var(--seo-line);padding-left:30px}.seo-bullet-list{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:13px}.seo-bullet-list li{display:flex;gap:11px;align-items:flex-start;color:#475467;line-height:1.62}.seo-bullet-list li i{width:22px;flex:0 0 22px;margin-top:4px;color:var(--seo-blue)}.seo-limitations{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start;background:linear-gradient(135deg,#fffdf7,#fff8e8);border-color:#efdca9}.seo-limit-icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:#fff0c7;color:#8a5c00;font-size:1.2rem}.seo-limitations h2{margin-bottom:9px}.seo-related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;margin-top:18px}.seo-related-card{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;padding:15px;border:1px solid var(--seo-line);border-radius:15px;text-decoration:none;color:inherit;background:#fff;transition:transform .18s,border-color .18s,box-shadow .18s}.seo-related-card:hover{transform:translateY(-2px);border-color:#b7cef0;box-shadow:0 10px 24px rgba(18,39,74,.08)}.seo-related-icon{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:#edf4ff;color:var(--seo-blue)}.seo-related-card strong{display:block;margin-bottom:4px}.seo-related-card small{display:block;color:var(--seo-muted);line-height:1.45}.seo-related-card>i{color:var(--seo-blue)}
@media(max-width:980px){.seo-related-grid{grid-template-columns:1fr}.seo-info-split{grid-template-columns:1fr}.seo-info-split>div+div{border-left:0;border-top:1px solid var(--seo-line);padding-left:0;padding-top:24px}}
@media(max-width:640px){.seo-check-grid,.seo-steps-four{grid-template-columns:1fr}.seo-limitations{grid-template-columns:1fr}.seo-related-card{grid-template-columns:auto 1fr}.seo-related-card>i{display:none}}
.seo-category-desc{margin:7px 0 0;max-width:850px;color:var(--seo-muted);line-height:1.55;font-size:.94rem}.seo-category-head>div{min-width:0}.seo-category-head>span{white-space:nowrap}
@media(max-width:640px){.seo-category-head{align-items:start}.seo-category-head>span{font-size:.78rem}}