:root{--bg:#f3f3f0;--surface:#fbfbf8;--surface2:#fff;--border:#d6d6d2;--border-strong:#b8b8b4;--text:#111;--muted:#5c5c5a;--yellow:#ffd60a;--yellow-text:#111;--danger:#c81e1e;--danger-bg:#fdecec;--success:#0d7a4d;--success-bg:#e6f4ec;--radius:2px;--radius-sm:2px;--font:"Inter Tight", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--mono:"Space Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);font-family:var(--font);margin:0;font-size:16px;line-height:1.55}a{color:var(--text);text-underline-offset:3px;text-decoration:underline}a:hover{text-decoration-thickness:2px}.wrap{max-width:760px;margin:0 auto;padding:0 20px 64px}.wrap-wide{max-width:1060px;margin:0 auto;padding:0 20px 64px}@media (min-width:820px){.wrap{border-left:1px solid var(--border);border-right:1px solid var(--border)}}.topbar{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;max-width:1060px;margin:0 auto;padding:18px 20px;display:flex}.brand{color:var(--text);letter-spacing:-.02em;align-items:center;gap:8px;font-size:20px;font-weight:800;text-decoration:none;display:flex}.logo-mark{background:var(--yellow);flex-shrink:0;width:12px;height:12px;display:inline-block}.nav{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.nav a,.nav button{color:var(--text);border:1px solid var(--border-strong);border-radius:var(--radius-sm);cursor:pointer;background:0 0;min-height:40px;padding:8px 14px;font-size:14px;text-decoration:none}.nav a:hover,.nav button:hover{border-color:var(--text)}.hero{padding:48px 0 24px}.hero h1{letter-spacing:-.03em;margin:0 0 12px;font-size:44px;line-height:1.05}.hero p{color:var(--muted);max-width:620px;margin:0;font-size:18px}.hero-center{text-align:center}.hero-center p{margin:0 auto}.spec-label{font-family:var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-size:12px}.marks{align-items:center;gap:4px;display:flex}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-top:20px;padding:20px}.card h2{margin:0 0 4px;font-size:18px}.card p.sub{color:var(--muted);margin:0 0 16px;font-size:14px}.card-hero{padding:24px}.card-cta{text-align:center}.card-cta .row{justify-content:center}.field{margin-bottom:14px}.field label{color:var(--muted);margin-bottom:6px;font-size:13px;font-weight:600;display:block}.input{background:var(--surface2);width:100%;color:var(--text);border:1px solid var(--border-strong);border-radius:var(--radius-sm);outline:none;padding:12px 14px;font-size:16px}.input:focus{border-color:var(--text);box-shadow:0 0 0 2px var(--yellow)}.input:disabled{opacity:.6}select.input{appearance:auto}.btn{background:var(--yellow);color:var(--yellow-text);border:1px solid var(--yellow);border-radius:var(--radius-sm);cursor:pointer;justify-content:center;align-items:center;gap:8px;min-width:44px;min-height:44px;padding:12px 20px;font-size:16px;font-weight:700;text-decoration:none;display:inline-flex}.btn:hover{filter:brightness(.95)}.btn:disabled{opacity:.55;cursor:default}.btn-ghost{color:var(--text);border:1px solid var(--border-strong);background:0 0}.btn-ghost:hover{border-color:var(--text)}.btn-danger{color:var(--danger);background:0 0;border:1px solid #c81e1e66}.btn-sm{min-height:38px;padding:8px 12px;font-size:14px}.row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.row-between{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.error{background:var(--danger-bg);color:var(--danger);border-radius:var(--radius-sm);border:1px solid #c81e1e66;margin-top:14px;padding:12px 14px;font-size:14px}.success{background:var(--success-bg);color:var(--success);border-radius:var(--radius-sm);border:1px solid #0d7a4d66;margin-top:14px;padding:12px 14px;font-size:14px}.note{color:var(--muted);margin-top:12px;font-size:14px}.result-box{border:1px solid var(--border-strong);border-left:4px solid var(--yellow);border-radius:var(--radius);background:var(--surface);margin-top:20px;padding:20px}.result-url{font-family:var(--mono);word-break:break-all;font-size:20px;font-weight:700}.mono{font-family:var(--mono);word-break:break-all;font-size:13px}.stats-line{color:var(--muted);text-align:center;margin:16px 0 0;font-size:13px}.section{border-top:1px solid var(--border);margin-top:40px;padding-top:32px}.section h2{letter-spacing:-.02em;margin:0 0 16px;font-size:24px}.feature-flagship{background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--yellow);border-radius:var(--radius);margin-bottom:8px;padding:20px}.feature-flagship strong{margin-bottom:6px;font-size:18px;display:block}.feature-flagship p{color:var(--muted);margin:0 0 10px}.feature-flagship p:last-child{margin-bottom:0}.stats{grid-template-columns:repeat(4,1fr);gap:12px;margin-top:20px;display:grid}.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.stat .num{letter-spacing:-.02em;font-size:28px;font-weight:800}.stat .lbl{color:var(--muted);font-size:13px}.chart{align-items:flex-end;gap:4px;height:120px;margin-top:16px;display:flex}.bar-wrap{flex-direction:column;flex:1;justify-content:flex-end;align-items:center;gap:4px;height:100%;display:flex}.bar{background:var(--yellow);border:1px solid var(--border-strong);border-bottom:none;width:100%;min-height:2px}.bar-lbl{color:var(--muted);font-size:10px}table.tbl{border-collapse:collapse;width:100%;font-size:14px}.tbl th{text-align:left;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid var(--border-strong);padding:10px 8px;font-size:12px}.tbl td{border-bottom:1px solid var(--border);vertical-align:top;padding:12px 8px}.tbl tr:last-child td{border-bottom:none}.badge{background:var(--surface2);border:1px solid var(--border-strong);border-radius:999px;padding:2px 10px;font-size:12px;font-weight:700;display:inline-block}.badge-yellow{background:var(--yellow);color:var(--yellow-text);border-color:var(--yellow)}.badge-off{color:var(--muted)}.tabs{flex-wrap:wrap;gap:8px;margin:20px 0 4px;display:flex}.tabs a{color:var(--muted);border:1px solid var(--border-strong);border-radius:var(--radius-sm);padding:8px 14px;font-size:14px;text-decoration:none}.tabs a.active{color:var(--yellow-text);background:var(--yellow);border-color:var(--yellow);font-weight:700}.list{margin:0;padding:0;list-style:none}.list li{border-bottom:1px solid var(--border);padding:12px 0}.list li:last-child{border-bottom:none}.list li strong{display:block}.list li span{color:var(--muted);font-size:14px}.steps{counter-reset:step;margin:0;padding:0;list-style:none}.steps li{counter-increment:step;border-bottom:1px solid var(--border);padding:14px 0 14px 48px;position:relative}.steps li:last-child{border-bottom:none}.steps li:before{content:counter(step);background:var(--yellow);width:32px;height:32px;color:var(--yellow-text);justify-content:center;align-items:center;font-size:15px;font-weight:800;display:flex;position:absolute;top:14px;left:0}.steps li strong{display:block}.steps li span{color:var(--muted);font-size:14px}.faq details{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);margin-bottom:10px;padding:16px 18px}.faq summary{cursor:pointer;font-weight:700}.faq summary:focus-visible{outline:2px solid var(--text);outline-offset:2px}.faq p{color:var(--muted);margin:10px 0 0}.footer{color:var(--muted);border-top:1px solid var(--border);margin-top:48px;padding-top:20px;font-size:13px}.footer a{color:var(--muted)}.empty{text-align:center;color:var(--muted);padding:32px 16px}.empty strong{color:var(--text);margin-bottom:4px;font-size:17px;display:block}@media (max-width:640px){.hero{padding:28px 0 16px}.hero h1{font-size:32px}.stats{grid-template-columns:repeat(2,1fr)}.tbl-wrap{overflow-x:auto}.tbl{min-width:560px}}.hl{background:var(--yellow);padding:0 6px}.ruler{background-image:repeating-linear-gradient(90deg, var(--border-strong) 0 1px, transparent 1px 12px);border-bottom:1px solid var(--border-strong);height:10px;margin-top:20px}.marks-row{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.marks{gap:4px;display:flex}.marks i{background:var(--border-strong);border-radius:50%;width:4px;height:4px;display:block}.snap-grid3{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}.snap-grid3 .card{margin-top:0}.snap-grid3 .card .n{font-family:var(--mono);color:var(--muted);font-size:12px}.snap-grid3 .card strong{margin:6px 0;font-size:17px;display:block}.snap-grid3 .card p{color:var(--muted);margin:0;font-size:14px}.snap-flag{border-left:4px solid var(--yellow)}@media (max-width:820px){.snap-grid3{grid-template-columns:1fr}}