:root{--bg:#f4f7f5;--ink:#0f172a;--muted:#5b6775;--line:#d7e0da;--card:#ffffff;--accent:#0f766e;--accent-ink:#ffffff;--soft:#e7f3ef}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:DM Sans,ui-sans-serif,system-ui,sans-serif;background:var(--bg);color:var(--ink);min-height:100vh}a{color:inherit;text-decoration:none}button,input,select,textarea{font-family:inherit}.wrap{max-width:1080px;margin:0 auto;padding:0 20px}.topbar{position:-webkit-sticky;position:sticky;top:0;z-index:20;background:rgba(244,247,245,.9);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.topbar-inner{justify-content:space-between;height:64px;gap:16px}.logo,.topbar-inner{display:flex;align-items:center}.logo{gap:10px;font-weight:800;letter-spacing:-.03em}.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:800;font-size:14px}.nav{display:flex;gap:18px;font-size:14px;font-weight:600;color:var(--muted)}.nav a:hover{color:var(--ink)}.hero{padding:56px 0 28px}.hero h1{font-size:clamp(2rem,4vw,3.1rem);letter-spacing:-.04em;margin:0 0 12px;line-height:1.1}.hero p{margin:0;max-width:640px;color:var(--muted);font-size:1.05rem;line-height:1.6}.pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}.pill{font-size:12px;font-weight:700;padding:7px 12px;border-radius:999px;background:var(--soft);color:var(--accent);border:1px solid #cfe7df}.sec{margin:28px 0 48px}.sec h2{margin:0 0 6px;font-size:1.15rem}.sec .intro{margin:0 0 16px;color:var(--muted);font-size:.92rem}.grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:12px;gap:12px}@media (max-width:860px){.grid{grid-template-columns:1fr 1fr}}@media (max-width:540px){.grid{grid-template-columns:1fr}}.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px 16px 14px;transition:border-color .15s,transform .15s,box-shadow .15s}.card:hover{border-color:#9ecfc4;transform:translateY(-2px);box-shadow:0 10px 24px rgba(15,23,42,.06)}.card h3{margin:0 0 6px;font-size:1rem}.card p{margin:0;font-size:.86rem;line-height:1.45}.card p,.foot{color:var(--muted)}.foot{border-top:1px solid var(--line);padding:28px 0 40px;font-size:.85rem}.foot-inner{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px}.tool-head{padding:28px 0 8px}.tool-head a{color:var(--accent);font-weight:700;font-size:.85rem}.tool-head h1{margin:8px 0;font-size:1.8rem;letter-spacing:-.03em}.tool-head p{margin:0;color:var(--muted)}.panel{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:22px;margin:18px 0 40px}.drop{border:1.5px dashed #b7cfc6;border-radius:14px;padding:28px;text-align:center;background:#f8fbfa;cursor:pointer}.drop strong{display:block;margin-bottom:4px}.drop span{color:var(--muted);font-size:.88rem}.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:14px}.btn{border:0;border-radius:10px;padding:10px 16px;font-weight:700;cursor:pointer;background:var(--accent);color:var(--accent-ink)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}.msg{margin-top:12px;font-size:.9rem;color:var(--muted)}.msg.err{color:#b91c1c}.list{margin:12px 0 0;padding:0;list-style:none}.list li{font-size:.88rem;padding:6px 0;border-bottom:1px solid #eef2f0}input[type=number],input[type=text],input[type=url],select,textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:10px 12px;background:#fff}textarea{min-height:180px;resize:vertical}label{display:block;font-size:.8rem;font-weight:700;margin:12px 0 6px;color:var(--muted)}.meter{height:10px;background:#e2e8e6;border-radius:999px;overflow:hidden;margin:8px 0 16px}.meter>span{display:block;height:100%;background:var(--accent);width:0}.stat3{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:10px;gap:10px;margin-top:8px}.stat3 div{background:var(--soft);border-radius:12px;padding:12px}.stat3 b{display:block;font-size:1.3rem}.stat3 span{font-size:.78rem;color:var(--muted);font-weight:600}.privacy{font-size:.8rem;color:var(--muted);margin-top:16px}.ad-slot{margin:18px 0}.ad-label{display:block;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#94a3b8;margin-bottom:6px}.ad-box{min-height:90px;border:1px dashed #cbd5e1;background:#f8fafc;display:grid;place-items:center;color:#94a3b8;padding:12px;text-align:center}.ad-box,.seo-out{border-radius:12px;font-size:13px}.seo-out{background:#0f172a;color:#e2e8f0;padding:14px;overflow:auto;max-height:320px;white-space:pre-wrap;font-family:ui-monospace,Consolas,monospace}.ok{color:#16a34a}.bad,.ok{font-weight:700}.bad{color:#dc2626}