.seo-shell{max-width:1120px;margin:0 auto;padding:40px 20px 100px}.seo-hero{text-align:center;max-width:820px;margin:0 auto 48px}.seo-hero h1{font-size:clamp(2rem,4vw,3.2rem);font-weight:750;letter-spacing:-.03em;line-height:1.15;margin:16px 0;color:var(--ink)}.seo-hero p{font-size:1.15rem;line-height:1.6;color:var(--ink);opacity:.75;margin:0 auto 28px}.seo-hero-actions{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap}.seo-btn-primary{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:var(--r-pill);font-size:15px;font-weight:650;background:var(--ink);color:var(--canvas);text-decoration:none;transition:transform .2s,box-shadow .2s}.seo-btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px #00000026}.seo-btn-secondary{display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:var(--r-pill);font-size:15px;font-weight:600;background:var(--surface-soft);color:var(--ink);border:1px solid var(--hairline);text-decoration:none;transition:background .2s,transform .2s}.seo-btn-secondary:hover{background:var(--surface-hover);transform:translateY(-2px)}.seo-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:48px}.seo-stat-card{background:var(--canvas);border:1px solid var(--hairline);border-radius:var(--r-lg);padding:20px;text-align:center}.seo-stat-card .val{font-size:2rem;font-weight:700;letter-spacing:-.02em;color:#10b981}.seo-stat-card .lbl{font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;font-family:var(--font-mono);opacity:.65;margin-top:4px}.seo-panel{background:var(--canvas);border:1px solid var(--hairline);border-radius:var(--r-xl);padding:28px;margin-bottom:40px}.seo-panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;flex-wrap:wrap;gap:12px}.seo-panel h2{font-size:1.4rem;font-weight:650;margin:0 0 12px;color:var(--ink)}.seo-panel-head h2{margin:0}.seo-code-box{background:#0d1117;color:#c9d1d9;border-radius:12px;padding:18px;font-family:var(--font-mono);font-size:13px;line-height:1.5;overflow-x:auto;max-height:480px;border:1px solid #ffffff1a}.seo-table-wrap{overflow-x:auto;margin-top:14px}.seo-table{width:100%;border-collapse:collapse;font-size:14px;text-align:left}.seo-table th{padding:12px 16px;background:var(--surface-soft);border-bottom:1.5px solid var(--hairline);font-weight:600;font-family:var(--font-mono);font-size:12.5px;text-transform:uppercase}.seo-table td{padding:14px 16px;border-bottom:1px solid var(--hairline)}.seo-steps-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:20px}.seo-step-card{background:var(--canvas);border:1px solid var(--hairline);border-radius:var(--r-lg);padding:24px;position:relative}.seo-step-num{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:var(--ink);color:var(--canvas);font-weight:700;font-size:14px;margin-bottom:14px}.seo-step-card h3{font-size:1.15rem;font-weight:650;margin:0 0 8px}.seo-step-card p{font-size:14px;line-height:1.55;opacity:.75;margin:0}.seo-matrix-table td:nth-child(2){font-weight:650;color:#10b981}.seo-matrix-table td:nth-child(3){opacity:.6}.seo-bottom-banner{background:linear-gradient(135deg,#5b4ff814,#10b98114);border:1.5px solid #5b4ff84d;border-radius:var(--r-xl);padding:32px;text-align:center;margin-top:50px}.seo-bottom-banner h3{font-size:1.6rem;font-weight:700;margin:0 0 10px}.seo-panel .pr-faq{margin-top:20px;display:flex;flex-direction:column;gap:12px}.seo-panel .pr-faq-item{border:1px solid var(--hairline);border-radius:14px;background:var(--surface-soft);padding:0;overflow:hidden;transition:border-color .2s ease,background .2s ease,box-shadow .2s ease}.seo-panel .pr-faq-item:hover{border-color:#5b4ff859}.seo-panel .pr-faq-item.open{border-color:#5b4ff880;background:var(--canvas);box-shadow:0 4px 16px #0000000d}:root.dark .seo-panel .pr-faq-item.open,:root[data-theme=dark] .seo-panel .pr-faq-item.open{box-shadow:0 4px 20px #00000059;border-color:#e4ff8259}.seo-panel .pr-faq-item .q{font-weight:650;font-size:16px;line-height:1.45;color:var(--ink);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 20px;-webkit-user-select:none;user-select:none;transition:color .15s ease}.seo-panel .pr-faq-item .q:hover{color:var(--accent,#5b4ff8)}:root.dark .seo-panel .pr-faq-item .q:hover,:root[data-theme=dark] .seo-panel .pr-faq-item .q:hover{color:#e4ff82}.seo-panel .pr-faq-item .q .pm{width:28px;height:28px;border-radius:50%;background:var(--canvas);border:1px solid var(--hairline);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--ink);transition:transform .3s cubic-bezier(.16,1,.3,1),background .2s,border-color .2s}.seo-panel .pr-faq-item.open .q .pm{transform:rotate(45deg);background:#5b4ff81f;border-color:#5b4ff84d;color:#5b4ff8}:root.dark .seo-panel .pr-faq-item.open .q .pm,:root[data-theme=dark] .seo-panel .pr-faq-item.open .q .pm{background:#e4ff8226;border-color:#e4ff8266;color:#e4ff82}.seo-panel .pr-faq-item .a{font-size:14.5px;line-height:1.65;color:var(--ink);opacity:0;padding:0 20px;max-height:0;overflow:hidden;transition:max-height .35s cubic-bezier(.16,1,.3,1),padding-bottom .25s ease,opacity .25s ease}.seo-panel .pr-faq-item.open .a{max-height:500px;padding-bottom:18px;opacity:.82}@media (max-width:860px){.seo-stats-grid{grid-template-columns:repeat(2,1fr)}.seo-steps-grid{grid-template-columns:1fr}}@media (max-width:520px){.seo-stats-grid{grid-template-columns:1fr}}