:root{
  --ink:#1c1e22;
  --muted:#5c6370;
  --line:#e4e7ee;
  --bg:#f6f7f9;
  --card:#fff;
  --accent:#b4232c;
  --accent-ink:#fff;
  --dark:#121316;
  --max:1080px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font:16px/1.6 "Segoe UI",Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
}
a{color:#0b57d0}
img{max-width:100%;height:auto}
.top{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 24px;background:#fff;border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:5;
}
.brand{font-weight:700;color:var(--ink);text-decoration:none;font-size:18px}
nav{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center}
nav a{color:var(--ink);text-decoration:none;font-size:14px}
nav a.dl{
  background:var(--accent);color:#fff;text-decoration:none;
  padding:8px 12px;border-radius:8px;font-weight:650;
}
.wrap{max-width:var(--max);margin:0 auto;padding:28px 20px 64px}
h1{font-size:40px;line-height:1.15;margin:0 0 12px}
h2{font-size:26px;margin:36px 0 10px}
.lede{font-size:18px;color:#333;max-width:68ch}
.row{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}
.btn{
  display:inline-block;background:var(--accent);color:#fff;text-decoration:none;
  padding:12px 16px;border-radius:8px;font-weight:700;
}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid #cfd3dc}
.shot{
  margin:22px 0;background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px;
}
.shot img{display:block;width:100%;border-radius:8px}
.shot figcaption{color:var(--muted);font-size:14px;padding:8px 6px 4px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px;margin:16px 0}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}
.card h3{margin:0 0 6px;font-size:18px}
.card p{margin:0;color:#333}
ol.steps{padding-left:20px}
ol.steps li{margin:8px 0}
.note{background:#fff8e8;border:1px solid #ecd9a4;border-radius:10px;padding:12px 14px}
footer{border-top:1px solid var(--line);padding:20px;color:var(--muted);font-size:14px}
footer .wrap{padding-top:0;padding-bottom:0}
.banner{
  background:#1a1c20;color:#f2f3f5;border-radius:12px;padding:16px 18px;margin:0 0 16px;
  display:flex;gap:16px;justify-content:space-between;align-items:center;flex-wrap:wrap;
}
.banner strong{display:block;font-size:18px;margin-bottom:4px}
.banner p{margin:0;max-width:70ch;color:#d5d8df}
.banner a{color:#fff}
.tool{
  background:#121316;color:#eee;border-radius:14px;padding:16px;
  border:1px solid #2c3038;
}
.tool button,.tool select,.tool input[type="range"]{font:inherit}
.transport{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.tool button{
  height:36px;border-radius:8px;border:1px solid #3a3e46;background:#2a2d33;color:#eee;
  padding:0 12px;cursor:pointer;
}
.tool button.rec{background:#b4232c;border-color:#b4232c;color:#fff;font-weight:700}
.tool button:disabled{opacity:.45;cursor:default}
.clock{font:16px/36px ui-monospace,Consolas,monospace;min-width:72px}
.meter{width:90px;height:8px;background:#2a2d33;border-radius:4px;overflow:hidden}
.meter b{display:block;height:100%;width:0;background:#d5d8df}
.meter.hot b{background:#e24b4b}
canvas.wave{width:100%;height:120px;background:#0c0c0e;border-radius:8px;margin-top:12px;display:block}
.opts{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:12px;color:#d0d4dc;font-size:14px}
.opts label{display:flex;align-items:center;gap:6px}
.status{min-height:1.4em;color:#c5cad3;margin:8px 0 0}
.trim{display:none;gap:10px;align-items:center;flex-wrap:wrap;margin-top:8px}
.trim.on{display:flex}
footer nav{display:flex;gap:14px;flex-wrap:wrap}
@media(max-width:720px){
  h1{font-size:32px}
  .top{align-items:flex-start;flex-direction:column}
}