:root{
  --brand:#1f5e52;--brand2:#2f8a73;--accent:#dd7a3f;--ink:#182821;--muted:#5c6d65;--bg:#f5f8f6;--card:#fff;
  --line:#dde6e0;--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:#122d26;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:#7fc9ae}
nav.top{margin-left:auto;display:flex;gap:18px;font-size:14px}
nav.top a{color:#bfe0d3;text-decoration:none}
.hero{padding:34px 0 6px}
h1{font-size:28px;margin:0 0 8px;color:#12362d}
.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:#e5f1ec;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(20,60,50,.06);margin-top:18px}
.tool-card h2{margin:0 0 12px;font-size:18px;color:#12362d}

.view-toggle{display:flex;gap:8px;margin-bottom:14px}
.view-toggle button{flex:1;padding:10px 12px;border:1px solid var(--line);background:#f7faf8;border-radius:9px;font:inherit;font-weight:700;font-size:13.5px;color:var(--muted);cursor:pointer}
.view-toggle button.active{background:var(--brand);color:#fff;border-color:var(--brand)}
.view-hint{font-size:13px;color:var(--muted);margin:0 0 14px}

.upload-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:6px}
.upload-btn{flex:1;min-width:150px;display:flex;align-items:center;justify-content:center;gap:8px;background:#fff;border:2px dashed var(--line);border-radius:10px;padding:22px 10px;cursor:pointer;font-weight:700;font-size:14.5px;color:var(--brand);text-align:center;transition:border-color .15s,background .15s}
.upload-btn:hover{border-color:var(--brand2);background:#f4faf7}
.upload-btn input{display:none}
.upload-btn .ic{font-size:22px}

.stage{margin-top:18px}
.canvas-wrap{position:relative;width:100%;background:#0e211c;border-radius:10px;overflow:hidden;display:flex;align-items:center;justify-content:center;min-height:120px}
.canvas-wrap canvas{max-width:100%;height:auto;display:block}
.status-line{font-size:13.5px;color:var(--muted);margin-top:8px;min-height:18px}
.status-line.busy{color:var(--brand2);font-weight:600}
.status-line.err{color:var(--red);font-weight:600}

.disclaimer{background:#fdf3e2;border:1px solid #f0d9a8;color:#7a5411;border-radius:10px;padding:14px 16px;font-size:13.5px;margin:18px 0}
.disclaimer b{color:#5c3f0c}

.results{margin-top:6px}
.metric{background:#f4faf7;border:1px solid var(--line);border-radius:10px;padding:16px 18px;margin-bottom:12px}
.metric .m-head{display:flex;justify-content:space-between;align-items:baseline;gap:10px;flex-wrap:wrap}
.metric .m-title{font-weight:800;font-size:15px;color:#12362d}
.metric .m-value{font-weight:800;font-size:22px;color:var(--brand)}
.metric .m-flag{font-size:12px;font-weight:700;padding:2px 9px;border-radius:20px}
.metric .m-flag.ok{background:#e7f5ec;color:var(--green)}
.metric .m-flag.warn{background:#fdf3e2;color:var(--amber)}
.metric .m-flag.bad{background:#fdece9;color:var(--red)}
.metric .m-desc{font-size:13.5px;color:var(--muted);margin-top:6px}
.bar{height:8px;background:#e3ede8;border-radius:6px;margin-top:10px;overflow:hidden}
.bar > span{display:block;height:100%;background:var(--brand2);border-radius:6px}

.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin-top:8px}
.legend .dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:5px;vertical-align:middle}

section.seo{background:#fff;border-top:1px solid var(--line);margin-top:34px;padding:34px 0}
section.seo h2{color:#12362d;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:#33403a}
.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:#eef4f1}

footer.site{background:#122d26;color:#a8cabc;font-size:13px;padding:24px 0;margin-top:0}
footer.site a{color:#bfe0d3}
footer.site .disc{font-size:12px;color:#7fa593;margin-top:8px}
@media(max-width:480px){h1{font-size:22px}.metric .m-value{font-size:19px}}