:root{
  --bg:#0d1117; --panel:#161b22; --panel2:#1c2330; --border:#2d3644;
  --text:#e6edf3; --muted:#8b949e; --accent:#58a6ff; --green:#3fb950;
  --amber:#d29922; --red:#f85149; --pink:#f778ba;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;line-height:1.6}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:860px;margin:0 auto;padding:24px 16px 64px}
header.top{display:flex;justify-content:space-between;align-items:center;
  padding:14px 16px;border-bottom:1px solid var(--border);background:var(--panel)}
header.top .brand{font-weight:700;font-size:18px;color:var(--text)}
header.top nav a{margin-left:16px;font-size:14px}
.hero{background:var(--panel);border:1px solid var(--border);border-radius:12px;
  padding:28px;margin:24px 0}
.hero.slim{padding:20px 28px}
.hero h1{margin:0 0 8px;font-size:30px}
.hero p{color:var(--muted);margin:0 0 16px}
.btn{display:inline-block;background:var(--green);color:#04120a;font-weight:700;
  padding:10px 20px;border-radius:8px;border:0;cursor:pointer;font-size:15px}
.btn:hover{filter:brightness(1.1);text-decoration:none;color:#04120a}
.btn.secondary{background:var(--panel2);color:var(--text);border:1px solid var(--border)}
.card{background:var(--panel);border:1px solid var(--border);border-radius:10px;
  padding:18px;margin:14px 0}
.card h3{margin:0 0 6px;font-size:18px}
.meta{color:var(--muted);font-size:13px}
.price{font-weight:700;color:var(--green);font-size:22px}
label{display:block;margin:14px 0 4px;font-weight:600}
input[type=text],input[type=email],input[type=url],input[type=number],
input[type=date],input[type=file],textarea,select{width:100%;background:var(--panel2);
  border:1px solid var(--border);color:var(--text);border-radius:8px;
  padding:10px 12px;font-size:15px}
textarea{min-height:100px;resize:vertical}
.notice{background:#12233a;border:1px solid var(--accent);border-radius:8px;
  padding:12px 16px;margin:16px 0;font-size:14px}
.warn{background:#2a1f0d;border:1px solid var(--amber);border-radius:8px;
  padding:12px 16px;margin:16px 0;font-size:14px}
.err{background:#2a1215;border:1px solid var(--red);border-radius:8px;
  padding:12px 16px;margin:16px 0;font-size:14px;color:#ffb4ae}
.ok{background:#0f2a18;border:1px solid var(--green);border-radius:8px;
  padding:12px 16px;margin:16px 0;font-size:14px}
code.addr{background:#000;border:1px solid var(--border);padding:8px 12px;
  border-radius:6px;display:block;word-break:break-all;font-size:14px;margin:8px 0}
footer{border-top:1px solid var(--border);margin-top:48px;padding:20px 16px;
  color:var(--muted);font-size:13px;text-align:center}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;margin:16px 0}
.shot{background:var(--panel);border:1px solid var(--border);border-radius:10px;overflow:hidden;margin:0}
.shot img{width:100%;height:200px;object-fit:cover;display:block}
.shot figcaption{padding:10px 12px;font-size:13px;color:var(--muted)}
.shot figcaption b{color:var(--text)}
.steps{counter-reset:step;margin:16px 0;padding:0;list-style:none}
.steps li{position:relative;padding:10px 0 10px 44px}
.steps li::before{counter-increment:step;content:counter(step);
  position:absolute;left:0;top:10px;width:30px;height:30px;border-radius:50%;
  background:var(--panel2);border:1px solid var(--pink);color:var(--pink);
  font-weight:700;display:flex;align-items:center;justify-content:center;font-size:14px}
.faq h3{margin:22px 0 6px;font-size:17px}
/* Sample-content honesty treatment: everything on /sample.html is demo content */
.sample-badge{display:inline-block;background:var(--amber);color:#201500;font-weight:800;
  font-size:13px;padding:4px 14px;border-radius:20px;letter-spacing:1px;margin-bottom:12px}
.sample-shot{position:relative}
.sample-shot::after{content:"SAMPLE";position:absolute;top:8px;right:8px;
  background:rgba(210,153,34,.92);color:#201500;font-weight:800;font-size:11px;
  padding:2px 10px;border-radius:4px;letter-spacing:1px}
.qr{text-align:center;margin:16px 0}
.qr img{border:8px solid #fff;border-radius:8px;max-width:220px}
.small{font-size:13px;color:var(--muted)}
table.fee{border-collapse:collapse;margin:12px 0;width:100%;max-width:420px}
table.fee td{padding:6px 8px;border-bottom:1px solid var(--border);font-size:15px}
table.fee tr.total td{font-weight:700;border-bottom:0;color:var(--green)}