:root{--bg:#071017;--panel:#0d1821;--panel2:#101f2a;--line:#24424f;--text:#edf9fb;--muted:#9eb6c0;--accent:#4ce8dc;--accent2:#62a9ff;--gold:#ffd166}*{box-sizing:border-box}html{background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}body{margin:0;background:radial-gradient(circle at 78% 5%,rgba(76,232,220,.12),transparent 30%),linear-gradient(180deg,#071017,#09131b 50%,#071017);min-height:100vh;color:var(--text)}a{color:inherit}.seo-wrap{width:min(1120px,calc(100% - 32px));margin:auto}.seo-head{position:sticky;top:0;z-index:10;background:rgba(6,14,20,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.seo-head-in{min-height:66px;display:flex;align-items:center;gap:18px}.seo-brand{font-weight:900;text-decoration:none;color:var(--accent);letter-spacing:.04em}.seo-nav{display:flex;gap:14px;flex:1}.seo-nav a{font-size:13px;color:var(--muted);text-decoration:none}.seo-nav a:hover{color:var(--text)}.seo-lang{display:flex;gap:5px}.seo-lang button{border:1px solid var(--line);background:#0b151d;color:var(--muted);border-radius:8px;padding:6px 8px;cursor:pointer}.seo-lang button.active{color:#031215;background:var(--accent);border-color:var(--accent)}.seo-main{padding:42px 0 56px}.seo-kicker{font-size:12px;font-weight:900;color:var(--accent);letter-spacing:.11em}.seo-hero{border:1px solid var(--line);border-radius:24px;padding:30px;background:radial-gradient(circle at 82% 15%,rgba(76,232,220,.11),transparent 34%),rgba(12,24,33,.84)}.seo-hero h1{font-size:clamp(30px,5vw,52px);line-height:1.03;margin:8px 0 14px}.seo-lead{font-size:18px;line-height:1.65;color:#cde3e8;max-width:850px}.seo-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.seo-btn{display:inline-flex;align-items:center;justify-content:center;padding:11px 16px;border:1px solid var(--line);border-radius:10px;text-decoration:none;font-weight:800;font-size:13px;background:#0d1b24}.seo-btn.primary{background:var(--accent);border-color:var(--accent);color:#031216}.seo-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.seo-meta span{padding:6px 9px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:11px}.seo-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:16px}.seo-card{border:1px solid var(--line);border-radius:18px;padding:20px;background:rgba(13,25,34,.78)}.seo-card h2,.seo-card h3{margin:0 0 10px}.seo-card p,.seo-card li{color:var(--muted);line-height:1.7;font-size:14px}.seo-card ul,.seo-card ol{margin:0;padding-left:20px}.seo-card.wide{grid-column:1/-1}.seo-section{margin-top:28px}.seo-section>h2{font-size:25px;margin:0 0 12px}.tool-directory{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.tool-tile{display:block;text-decoration:none;border:1px solid var(--line);border-radius:15px;padding:16px;background:rgba(11,23,31,.82);transition:.16s}.tool-tile:hover{transform:translateY(-2px);border-color:rgba(76,232,220,.55)}.tool-tile strong{display:block;margin-bottom:6px}.tool-tile span{display:block;color:var(--muted);font-size:12px;line-height:1.5}.guide-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.guide-link{border:1px solid var(--line);border-radius:15px;padding:17px;text-decoration:none;background:rgba(11,23,31,.82)}.guide-link strong{display:block}.guide-link span{display:block;color:var(--muted);font-size:12px;line-height:1.55;margin-top:5px}.seo-prose{font-size:15px;line-height:1.8;color:#c7dce2}.seo-prose h2{color:var(--text);margin-top:34px}.seo-prose h3{color:var(--text);margin-top:24px}.seo-foot{border-top:1px solid var(--line);padding:25px 0 38px;color:var(--muted);font-size:12px}.seo-foot-links{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:10px}.seo-foot a{color:var(--muted)}.faq details{border-top:1px solid var(--line);padding:12px 0}.faq summary{cursor:pointer;font-weight:800}.faq p{color:var(--muted);line-height:1.7}.seo-note{border-left:3px solid var(--accent);padding:10px 14px;background:rgba(76,232,220,.05);color:var(--muted);line-height:1.7}.seo-home-intro{max-width:900px}.updated{font-size:11px;color:var(--muted)}@media(max-width:850px){.tool-directory{grid-template-columns:repeat(2,minmax(0,1fr))}.seo-grid,.guide-list{grid-template-columns:1fr}.seo-nav{display:none}}@media(max-width:560px){.tool-directory{grid-template-columns:1fr}.seo-wrap{width:min(100% - 20px,1120px)}.seo-hero{padding:20px}.seo-head-in{gap:10px}.seo-lang button{padding:5px 6px}.seo-main{padding-top:24px}}