:root{--red:#B50000;--red-d:#8e0000;--ink:#111;--mut:#666;--line:#e8e8e8;--soft:#f6f6f6;--ok:#157a3a;--r:16px;--nav:64px}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font:16px/1.55 system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:#fafafa;min-height:100dvh}a{color:var(--red)}img{max-width:100%;display:block}h1,h2,h3{line-height:1.15;margin:0 0 .4em;font-weight:800;letter-spacing:-.01em}h1{font-size:clamp(1.7rem,4vw,2.4rem)}h2{font-size:1.35rem}h3{font-size:1.05rem}p{margin:0 0 .9em}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--red);color:#fff;text-decoration:none;font-weight:700;padding:13px 22px;border-radius:999px;border:2px solid var(--red);cursor:pointer;font-size:1rem;line-height:1.2;transition:.15s}.btn:hover{background:var(--red-d);border-color:var(--red-d)}.btn:disabled{opacity:.55;cursor:default}.btn.ghost{background:#fff;color:var(--red)}.btn.ghost:hover{background:#fff1f1}.btn.quiet{background:transparent;border-color:transparent;color:var(--mut)}.btn.quiet:hover{background:var(--soft);color:var(--ink)}.btn.block{width:100%}.btn.sm{padding:9px 16px;font-size:.9rem}.btn.lg{padding:16px 28px;font-size:1.08rem}.app{min-height:100dvh;display:flex;flex-direction:column}.topbar{position:sticky;top:0;z-index:30;height:var(--nav);background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 16px;gap:14px}.logo{font-weight:900;font-size:1.4rem;letter-spacing:-.03em;color:var(--ink);text-decoration:none}.logo span{color:var(--red)}.topbar nav{display:flex;gap:4px;margin-left:auto}.topbar nav a{color:var(--mut);text-decoration:none;font-weight:600;padding:8px 12px;border-radius:10px;font-size:.95rem}.topbar nav a.active,.topbar nav a:hover{background:var(--soft);color:var(--red)}.tabbar{display:none}@media (max-width:760px){.topbar nav{display:none}.tabbar{position:fixed;bottom:0;left:0;right:0;z-index:30;display:grid;grid-template-columns:repeat(5,1fr);background:#fff;border-top:1px solid var(--line);padding:6px 4px calc(6px + env(safe-area-inset-bottom))}.tabbar a{display:flex;flex-direction:column;align-items:center;gap:2px;font-size:.68rem;color:var(--mut);text-decoration:none;font-weight:600;padding:4px 0}.tabbar a.active{color:var(--red)}.tabbar svg{width:22px;height:22px}.main{padding-bottom:84px}}.main{flex:1;width:100%;max-width:980px;margin:0 auto;padding:24px 16px 48px}.main.narrow{max-width:560px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:0 1px 2px #00000008}.card+.card{margin-top:16px}.card.red{background:linear-gradient(135deg,#1a0000,#5a0000);color:#fff;border:0}.card.red 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var(--red);border-color:var(--red)}textarea{min-height:110px;resize:vertical}.field{margin-bottom:14px}.err{background:#fff1f1;color:#8e0000;border:1px solid #f3c2c2;padding:10px 14px;border-radius:12px;margin:0 0 14px;font-size:.92rem}.ok{background:#eefaf1;color:var(--ok);border:1px solid #bfe6cb;padding:10px 14px;border-radius:12px;margin:0 0 14px;font-size:.92rem}.chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 14px}.chip{border:1px solid #d6d6d6;background:#fff;border-radius:999px;padding:8px 14px;font-weight:600;cursor:pointer;font-size:.92rem}.chip.on{border-color:var(--red);background:#fff1f1;color:var(--red)}.hp{position:absolute;left:-9999px;opacity:0;height:0;width:0}.hero{padding:28px 0 12px}.hero h1{max-width:20ch}.lede{font-size:1.1rem;color:var(--mut);max-width:60ch}.price{display:flex;align-items:baseline;gap:6px;margin:8px 0 12px}.price b{font-size:2.2rem;font-weight:900;letter-spacing:-.02em}.price span{color:var(--mut)}.card.red .price span{color:#ffd0d0}.checks{list-style:none;padding:0;margin:0 0 14px}.checks li{padding-left:26px;position:relative;margin-bottom:7px}.checks li:before{content:"✓";position:absolute;left:0;color:var(--red);font-weight:900}.card.red .checks li:before{color:#ffb3b3}.steps{list-style:none;counter-reset:s;padding:0;margin:0;display:grid;gap:10px}.steps li{counter-increment:s;padding-left:44px;position:relative;min-height:32px}.steps li:before{content:counter(s);position:absolute;left:0;top:0;width:30px;height:30px;border-radius:50%;background:var(--red);color:#fff;font-weight:800;display:grid;place-items:center;font-size:.9rem}.topics{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}.topic{display:block;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;text-decoration:none;color:var(--ink)}.topic:hover{border-color:var(--red)}.topic b{display:block;color:var(--red)}.topic span{font-size:.88rem;color:var(--mut)}.guide{display:block;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;text-decoration:none;color:var(--ink)}.guide:hover{border-color:var(--red)}.guide h3{margin-bottom:4px}.guide p{margin:0;color:var(--mut);font-size:.95rem}.lock{display:inline-block;font-size:.74rem;font-weight:700;color:var(--red);background:#fff1f1;border-radius:6px;padding:2px 8px;margin-top:10px}.lock.open{color:var(--ok);background:#eefaf1}.prose{max-width:70ch;font-size:1.04rem}.prose h2{font-size:1.2rem;margin-top:26px}.prose ul{padding-left:1.2em}.prose li{margin-bottom:6px}.paywall{position:relative}.paywall:after{content:"";position:absolute;left:0;right:0;bottom:0;height:120px;background:linear-gradient(transparent,#fafafa)}.share{display:flex;flex-wrap:wrap;gap:8px}.share a,.share button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 13px;font-size:.85rem;font-weight:600;color:var(--ink);text-decoration:none;cursor:pointer}.share a:hover,.share button:hover{border-color:var(--red);color:var(--red)}.cars{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}.car{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;text-decoration:none;color:var(--ink);font-size:.85rem}.car img{aspect-ratio:4/3;object-fit:cover;width:100%;background:var(--soft)}.car div{padding:8px 10px}.car b{display:block;font-size:.9rem}.car .p{color:var(--red);font-weight:800}.embed iframe{width:100%;border:0;border-radius:var(--r);background:#fff;min-height:760px}.status{display:inline-block;border-radius:999px;padding:3px 10px;font-size:.78rem;font-weight:700;background:var(--soft);color:var(--mut)}.status.on{background:#eefaf1;color:var(--ok)}.status.warn{background:#fff5e6;color:#9a5b00}.files li{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-bottom:1px solid var(--line);font-size:.92rem}.progress{height:6px;background:var(--line);border-radius:3px;overflow:hidden;margin:6px 0 18px}.progress i{display:block;height:100%;background:var(--red)}.foot{padding:28px 16px 100px;text-align:center;font-size:.8rem;color:var(--mut)}.foot a{color:var(--mut)}.splash{min-height:100dvh;display:grid;place-items:center;color:var(--mut)}