:root{--bg:#fffcf9;--surface:#fdf2ea;--surface-2:#f8e6d9;--border:#ecd6c7;--ink:#1f1512;--ink-soft:#66544c;--accent:#c2410c;--accent-ink:#b33b0a;--accent-soft:#ffe8d8;--on-accent:#fff;--ok:#17803d;--warn-bg:#fff3cd;--warn-ink:#6a4b00;--err-bg:#fde4e1;--err-ink:#9f1d12;--info-bg:#e9f0fb;--info-ink:#1f3f73;--check-a:#fff;--check-b:#efe6df;--radius:14px;--mono:ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (prefers-color-scheme:dark){:root{--bg:#15100e;--surface:#1f1815;--surface-2:#2a201c;--border:#3b2d27;--ink:#f6ece7;--ink-soft:#c4b1a8;--accent:#ff8a4c;--accent-ink:#ff9d66;--accent-soft:#3a2117;--on-accent:#1b0e08;--ok:#55d68a;--warn-bg:#3b300f;--warn-ink:#f6dc8c;--err-bg:#3e1814;--err-ink:#ffb0a6;--info-bg:#17243a;--info-ink:#b8cdf2;--check-a:#2a201c;--check-b:#1f1815;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--ink);margin:0;font:17px/1.65 system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;overflow-x:hidden}a{color:var(--accent-ink);text-underline-offset:2px}img,video{max-width:100%}.wrap{max-width:880px;margin:0 auto;padding:0 16px}.skip{position:absolute;left:-999px}.skip:focus{background:var(--bg);z-index:10;padding:8px;top:8px;left:16px}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.small{color:var(--ink-soft);font-size:14px}.tabular{font-variant-numeric:tabular-nums}.site-head{background:var(--bg);border-bottom:1px solid var(--border);z-index:5;position:sticky;top:0}.head-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 16px;min-height:60px;display:flex}.brand{color:var(--ink);letter-spacing:-.02em;align-items:center;gap:10px;font-size:19px;font-weight:800;text-decoration:none;display:flex}.brand .arrow{color:var(--accent);margin:0 1px}.brand .dom{color:var(--ink-soft);font-size:15px;font-weight:600}.nav{flex-wrap:wrap;gap:4px 16px;font-size:15px;display:flex}.nav a{color:var(--ink-soft);border-bottom:2px solid #0000;padding:4px 0;text-decoration:none}.nav a:hover{color:var(--ink);border-bottom-color:var(--accent)}@media (max-width:700px){.nav{flex-wrap:nowrap;width:100%;padding-bottom:8px;overflow-x:auto}.nav a{white-space:nowrap}}.page{padding:26px 0 40px}.page-head h1{letter-spacing:-.025em;margin:0 0 10px;font-size:clamp(28px,5.4vw,40px);line-height:1.12}.lead{color:var(--ink-soft);margin:0 0 18px;font-size:18px}.tool{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px}@media (min-width:640px){.tool{padding:20px}}.drop{border:2px dashed var(--accent);background:var(--bg);border-radius:12px;transition:background .15s;position:relative}.drop.over{background:var(--accent-soft)}.file-input{opacity:0;width:1px;height:1px;position:absolute;overflow:hidden}.file-input:focus-visible+.drop-label{outline:2px solid var(--accent);outline-offset:3px;border-radius:10px}.drop-label{cursor:pointer;text-align:center;flex-direction:column;align-items:center;gap:4px;padding:30px 16px;display:flex}.drop.compact .drop-label{flex-flow:wrap;justify-content:center;gap:4px 10px;padding:12px 14px}.drop-icon{color:var(--accent)}.drop-main{color:var(--accent-ink);font-size:18px;font-weight:700}.drop.compact .drop-main{font-size:16px}.drop-hint{color:var(--ink-soft);overflow-wrap:anywhere;font-size:14px}.privacy-note{color:var(--ink-soft);margin:10px 0 0;font-size:14px}.recorder{flex-wrap:wrap;align-items:center;gap:8px 10px;margin-top:10px;font-size:15px;display:flex}.rec-dot{background:#e0341f;border-radius:50%;width:10px;height:10px;animation:1s infinite blink}@keyframes blink{50%{opacity:.3}}.err{color:var(--err-ink)}.editor{margin-top:16px}.player{background:#000;border-radius:10px;width:100%;max-height:420px;display:block}.meta-line{margin:6px 0 0}.group{border:1px solid var(--border);background:var(--bg);border-radius:12px;min-width:0;margin:14px 0 0;padding:12px 14px 14px}.group legend{padding:0 6px;font-size:15px;font-weight:700}.fields{gap:12px;display:grid}.fields.two{grid-template-columns:1fr 1fr}.fields.three{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}@media (max-width:560px){.fields.two{grid-template-columns:1fr}}.field{min-width:0}.field label{color:var(--ink-soft);margin-bottom:5px;font-size:14px;font-weight:600;display:block}.field input,.field select{width:100%;font:inherit;border:1px solid var(--border);background:var(--bg);min-height:42px;color:var(--ink);font-variant-numeric:tabular-nums;border-radius:9px;padding:9px 10px;font-size:16px}.field input[type=color]{height:42px;padding:3px}.field-hint{color:var(--ink-soft);margin-top:4px;font-size:13px;display:block}.with-btn{gap:6px;display:flex}.with-btn input{flex:1;min-width:0}.checks{flex-wrap:wrap;gap:6px 20px;margin-top:12px;font-size:15px;display:flex}.checks label{cursor:pointer;align-items:center;gap:7px;display:inline-flex}.checks input{width:18px;height:18px;accent-color:var(--accent)}.preset-row{flex-wrap:wrap;gap:6px;margin-top:10px;display:flex}.chip{border:1px solid var(--border);background:var(--bg);color:var(--ink-soft);font:inherit;cursor:pointer;border-radius:999px;padding:5px 12px;font-size:14px}.chip.active{background:var(--accent);color:var(--on-accent);border-color:var(--accent)}.plan{margin:14px 0 10px;font-size:15px}.btn{font:inherit;border:1px solid var(--border);background:var(--bg);color:var(--ink);cursor:pointer;border-radius:10px;justify-content:center;align-items:center;gap:6px;padding:10px 16px;font-weight:650;text-decoration:none;display:inline-flex}.btn:hover{border-color:var(--accent)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}.btn.primary:hover{filter:brightness(1.06)}.btn.big{width:100%;padding:13px 18px;font-size:18px}.btn.small{white-space:nowrap;padding:6px 10px;font-size:14px}.btn.ghost{background:0 0}.progress-wrap{margin:8px 0}.progress-row{justify-content:space-between;margin-bottom:4px;font-size:15px;display:flex}progress{width:100%;height:14px;accent-color:var(--accent)}.progress-wrap .btn{margin-top:8px}.alert{border-radius:10px;margin:12px 0 0;padding:10px 12px;font-size:15px}.alert.error{background:var(--err-bg);color:var(--err-ink)}.alert.warn{background:var(--warn-bg);color:var(--warn-ink)}.alert.info{background:var(--info-bg);color:var(--info-ink)}.result-panel{border-top:1px solid var(--border);margin-top:18px;padding-top:14px}.result-panel h3{color:var(--ok);margin:0 0 10px;font-size:19px}.result-grid{grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);align-items:start;gap:16px;display:grid}@media (max-width:640px){.result-grid{grid-template-columns:1fr}}.result-preview{border:1px solid var(--border);border-radius:10px;place-items:center;padding:8px;display:grid}.result-preview img{height:auto;display:block}.checker{background-color:var(--check-a);background-image:linear-gradient(45deg, var(--check-b) 25%, transparent 25%, transparent 75%, var(--check-b) 75%), linear-gradient(45deg, var(--check-b) 25%, transparent 25%, transparent 75%, var(--check-b) 75%);background-position:0 0,8px 8px;background-size:16px 16px}.stats{grid-template-columns:1fr 1fr;gap:8px 12px;margin:0 0 14px;display:grid}.stats div{background:var(--bg);border:1px solid var(--border);border-radius:9px;padding:6px 10px}.stats dt{color:var(--ink-soft);text-transform:uppercase;letter-spacing:.04em;font-size:12px}.stats dd{font-variant-numeric:tabular-nums;margin:0;font-weight:700}.result-panel .btn{margin:0 8px 8px 0}.source-row{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.source-thumb{border:1px solid var(--border);border-radius:8px;flex:none;place-items:center;width:120px;height:90px;display:grid;overflow:hidden}.source-thumb img{object-fit:contain;max-height:90px}.source-row p{flex:1;min-width:180px;margin:0}.frames-list{gap:6px;max-height:360px;margin:0;padding:0;list-style:none;display:grid;overflow-y:auto}.frames-list li{background:var(--bg);border:1px solid var(--border);border-radius:9px;align-items:center;gap:10px;min-width:0;padding:5px 8px;display:flex}.frames-list img{object-fit:cover;border-radius:6px;flex:none;width:48px;height:48px}.frame-name{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;font-size:14px;overflow:hidden}.frame-actions{flex:none;gap:4px;display:flex}.icon-btn{border:1px solid var(--border);background:var(--surface);width:34px;height:34px;color:var(--ink);cursor:pointer;border-radius:8px;font-size:17px}.icon-btn:disabled{opacity:.4;cursor:not-allowed}.content h2{letter-spacing:-.015em;margin:38px 0 8px;font-size:25px}.content h3{margin:24px 0 6px;font-size:19px}.content code,.content pre{font-family:var(--mono);background:var(--surface-2);border-radius:6px;font-size:14.5px}.content code{overflow-wrap:anywhere;padding:1px 5px}.content pre{padding:12px 14px;overflow-x:auto}.content pre code{overflow-wrap:normal;background:0 0;padding:0}.content table{border-collapse:collapse;width:100%;margin:12px 0;font-size:15px;display:block;overflow-x:auto}.content th,.content td{border-bottom:1px solid var(--border);text-align:left;vertical-align:top;padding:8px 10px}.content th{color:var(--ink-soft);font-weight:600}.content ol li,.content ul li{margin:4px 0}.callout{border-left:4px solid var(--accent);background:var(--surface);border-radius:0 10px 10px 0;margin:16px 0;padding:10px 14px}.steps-grid{counter-reset:s;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;padding:0;list-style:none;display:grid}.steps-grid li{background:var(--surface);border:1px solid var(--border);counter-increment:s;border-radius:12px;padding:12px 14px}.steps-grid li:before{content:counter(s);background:var(--accent);width:26px;height:26px;color:var(--on-accent);vertical-align:1px;border-radius:50%;place-items:center;margin:0 8px 6px 0;font-size:14px;font-weight:800;display:inline-grid}.faq{margin-top:40px}.faq h2{font-size:25px}.faq details{border-bottom:1px solid var(--border);padding:12px 0}.faq summary{cursor:pointer;font-weight:650}.faq details p{color:var(--ink-soft);margin:8px 0 0}.related{margin-top:36px}.related h2{font-size:20px}.related ul{flex-wrap:wrap;gap:8px;padding:0;list-style:none;display:flex}.related a{border:1px solid var(--border);background:var(--surface);border-radius:999px;padding:6px 13px;font-size:15px;text-decoration:none;display:inline-block}.related a:hover{border-color:var(--accent)}.site-foot{border-top:1px solid var(--border);background:var(--surface);margin-top:40px;padding:28px 0 18px;font-size:15px}.foot-grid{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}@media (max-width:560px){.foot-grid{grid-template-columns:1fr 1fr}}.foot-grid ul{margin:6px 0 0;padding:0;list-style:none}.foot-grid li{margin:4px 0}.foot-grid a{color:var(--ink-soft);text-decoration:none}.foot-grid a:hover{color:var(--accent-ink)}.fine{color:var(--ink-soft);margin-top:18px;font-size:13px}