body { background:#111827; color:#eee; font-family:Arial; margin:0; }
.wrap { max-width:900px; margin:auto; padding:20px; }
.card { background:#111827; padding:20px; border-radius:10px; margin-top:20px; }
.btn { display:inline-block; margin-top:15px; padding:10px 15px; background:#7cc4ff; color:#000; border-radius:6px; text-decoration:none; font-weight:bold; }
        .pc-box {
            background: #111827;
            border: 1px solid #1f2937;
            border-radius: 16px;
            padding: 22px;
        }
        .pc-card {
            background: #111827;
            border: 1px solid #1f2937;
            border-radius: 18px;
            overflow: hidden;
            box-shadow: 0 18px 45px rgba(0,0,0,0.25);
        }

.muted { color:#aaa; }
a { color:#7cc4ff; text-decoration:none; }
ul { line-height:1.7; }