:root{
  --brand:#0d5c5c;--brand2:#0f8f8f;--accent:#e8792c;--ink:#122424;--muted:#526363;--bg:#f4faf9;--card:#fff;
  --line:#dceae8;--green:#1e7d43;--amber:#b8781a;--red:#b3392e;--radius:12px;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.65}
a{color:var(--brand2)}
.wrap{max-width:920px;margin:0 auto;padding:0 20px}
header.site{background:#0a2323;color:#fff;padding:14px 0}
header.site .wrap{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.logo{font-weight:800;font-size:19px;color:#fff;text-decoration:none}
.logo .tick{color:#7fd6c7}
nav.top{margin-left:auto;display:flex;gap:18px;font-size:14px;flex-wrap:wrap}
nav.top a{color:#bfe9e0;text-decoration:none}
.hero{padding:34px 0 6px}
h1{font-size:28px;margin:0 0 8px;color:#0a2323}
.sub{color:var(--muted);max-width:720px;font-size:16px}
.badge-row{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0 4px}
.badge{font-size:12.5px;background:#e1f3f0;color:var(--brand);padding:3px 10px;border-radius:20px}

.tool-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 1px 4px rgba(10,50,50,.06);margin-top:18px}
.tool-card h2{margin:0 0 12px;font-size:18px;color:#0a2323}

.upload-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.upload-btn{position:relative;display:inline-flex;align-items:center;gap:8px;background:var(--brand2);color:#fff;padding:12px 20px;border-radius:9px;font-weight:700;font-size:14.5px;cursor:pointer}
.upload-btn input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%}
.btn{border:none;border-radius:9px;font:inherit;font-weight:700;font-size:14.5px;padding:12px 20px;cursor:pointer;transition:opacity .15s}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.primary{background:var(--accent);color:#fff}
.btn.ghost{background:#e1f3f0;color:var(--brand)}
.btn.stop{background:#374151;color:#fff}

.file-info{background:#f0faf8;border:1px solid var(--line);border-radius:9px;padding:10px 14px;font-size:13.5px;color:var(--muted);margin:10px 0;display:none}
.status-line{font-size:13.5px;color:var(--muted);margin:8px 0;min-height:18px}
.status-line.busy{color:var(--brand2);font-weight:600}
.status-line.err{color:var(--red);font-weight:600}
.status-line.ok{color:var(--green);font-weight:600}
.progress{height:8px;background:#e0f0ee;border-radius:6px;overflow:hidden;margin:8px 0}
.progress > span{display:block;height:100%;background:var(--brand2);border-radius:6px;transition:width .2s}

.free-banner{background:#fff6ea;border:1px solid #f0d9ad;color:#7a5416;border-radius:9px;padding:10px 14px;font-size:13.5px;margin:12px 0}
.free-banner b{color:#5c3f0f}

.stems{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:18px}
@media(max-width:640px){.stems{grid-template-columns:1fr}}
.stem-card{background:#f7fcfb;border:1px solid var(--line);border-radius:10px;padding:14px}
.stem-card h3{margin:0 0 8px;font-size:15px;color:#0a2323}
.stem-card audio{width:100%;margin-bottom:10px}
.stem-card .dl{display:inline-block;background:var(--brand);color:#fff;padding:8px 14px;border-radius:7px;font-size:13.5px;font-weight:700;text-decoration:none}
.stem-card p.note{font-size:12px;color:var(--muted);margin-top:8px}

.paywall-card{margin-top:16px;background:#fbf3e9;border:1px dashed #e0b06a;border-radius:10px;padding:14px 16px;font-size:13.5px;color:#6b4a1c}
.paywall-card b{color:#4a3110}

.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin-top:8px}

.ad-slot{text-align:center;margin:20px auto;max-width:100%;overflow:hidden}
.ad-slot.top{margin-top:0}

section.seo{background:#fff;border-top:1px solid var(--line);margin-top:34px;padding:34px 0}
section.seo h2{color:#0a2323;font-size:22px}
section.seo h3{color:var(--brand);font-size:17px;margin-top:22px}
section.seo p,section.seo li{font-size:15px;color:#213636}
.faq dt{font-weight:700;margin-top:16px}
.faq dd{margin:4px 0 0}
.hint{font-size:13px;color:var(--muted)}

table.dtable{width:100%;border-collapse:collapse;margin:14px 0;font-size:14.5px}
table.dtable th,table.dtable td{padding:8px;border:1px solid var(--line);text-align:left}
table.dtable th{background:#eaf6f4}

footer.site{background:#0a2323;color:#8fc9bd;font-size:13px;padding:24px 0;margin-top:0}
footer.site a{color:#bfe9e0}
footer.site .disc{font-size:12px;color:#6fa89b;margin-top:8px}
@media(max-width:480px){h1{font-size:22px}.upload-row{flex-direction:column;align-items:stretch}}

.go-pro-link{background:none;border:none;color:var(--accent);font:inherit;font-weight:700;cursor:pointer;padding:0;text-decoration:underline}
.modal-bg{display:none;position:fixed;inset:0;background:rgba(10,30,30,.55);z-index:9998;align-items:center;justify-content:center;padding:16px}
.modal-bg.show{display:flex}
.modal{background:#fff;border-radius:14px;max-width:420px;width:100%;padding:26px;position:relative;max-height:90vh;overflow:auto}
.modal .close{position:absolute;top:12px;right:14px;border:none;background:none;font-size:20px;cursor:pointer;color:var(--muted)}
.modal h3{margin:0 0 6px;font-size:19px;color:#0a2323}
.modal .price{font-size:26px;font-weight:800;color:var(--accent);margin-bottom:10px}
.modal .price small{font-size:12.5px;font-weight:600;color:var(--muted)}
.modal ul{margin:10px 0;padding-left:20px;font-size:13.5px}
.modal ul li{margin-bottom:5px}
.modal .gold{width:100%;padding:13px;border:none;border-radius:9px;background:var(--accent);color:#fff;font:inherit;font-weight:800;font-size:15px;cursor:pointer}
.modal .note{font-size:11.5px;color:var(--muted);margin-top:10px}
.pro-banner{background:#e1f3f0;border:1px solid #bfe9e0;border-radius:10px;padding:12px 16px;margin-top:14px;display:flex;gap:10px;align-items:flex-start;font-size:13.5px}