:root{--bg: #0d1117;--card: #161b22;--card2: #1c2333;--border: #2d333b;--text: #e6edf3;--muted: #8b949e;--accent: #f7b52c;--accent2: #e88b30;--green: #3fb950;--red: #f85149;--blue: #58a6ff}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif;line-height:1.6;min-height:100vh}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}.nav{display:flex;align-items:center;gap:18px;padding:14px 24px;border-bottom:1px solid var(--border);background:#0d1117eb;position:sticky;top:0;z-index:10;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.nav .brand{font-weight:700;font-size:17px;color:var(--accent);margin-right:8px}.nav a{color:var(--muted);font-size:14px}.nav a:hover,.nav a.active{color:var(--text);text-decoration:none}.nav .spacer{flex:1}.nav .user-box{color:var(--muted);font-size:13px;display:flex;align-items:center;gap:10px}.member-badge{background:linear-gradient(90deg,var(--accent),var(--accent2));color:#10121a;font-weight:700;border-radius:10px;padding:2px 10px;font-size:12px}.free-badge{background:var(--card2);color:var(--muted);border-radius:10px;padding:2px 10px;font-size:12px;border:1px solid var(--border)}.container{max-width:980px;margin:0 auto;padding:28px 20px 80px}.hero{text-align:center;padding:48px 16px 36px}.hero h1{font-size:34px;margin-bottom:14px;background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}.hero p{color:var(--muted);max-width:620px;margin:0 auto 8px}.disclaimer{border:1px solid #5d4a1a;background:#f7b52c14;color:#e3b341;border-radius:10px;padding:14px 18px;font-size:13px;margin:22px auto;max-width:720px;text-align:left}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:22px;margin-bottom:18px}.card h2{font-size:18px;margin-bottom:14px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}.btn{display:inline-block;border:none;cursor:pointer;border-radius:8px;padding:10px 20px;font-size:14px;font-weight:600;background:var(--card2);color:var(--text);border:1px solid var(--border);transition:all .15s}.btn:hover{border-color:var(--accent)}.btn-primary{background:linear-gradient(90deg,var(--accent),var(--accent2));color:#10121a;border:none;font-weight:700}.btn-primary:hover{filter:brightness(1.1)}.btn-ghost{background:transparent}.btn:disabled{opacity:.5;cursor:not-allowed}input,select{width:100%;padding:10px 14px;font-size:14px;border-radius:8px;background:var(--bg);border:1px solid var(--border);color:var(--text);outline:none}input:focus{border-color:var(--accent)}label{display:block;margin-bottom:6px;font-size:13px;color:var(--muted)}.field{margin-bottom:14px}.form-card{max-width:380px;margin:40px auto}.error{color:var(--red);font-size:13px;margin:10px 0}.success{color:var(--green);font-size:13px;margin:10px 0}.plan-card{text-align:center;padding:26px 18px;position:relative}.plan-card .price{font-size:34px;font-weight:800;color:var(--accent);margin:8px 0}.plan-card .price small{font-size:14px;color:var(--muted);font-weight:400}.plan-card ul{list-style:none;margin:12px 0 18px;color:var(--muted);font-size:13px}.plan-card ul li{padding:3px 0}.plan-card .desc{font-size:12px;color:var(--muted);min-height:40px}table{width:100%;border-collapse:collapse;font-size:13px}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:600;white-space:nowrap}tr:hover td{background:#ffffff05}.status-paid,.status-active,.status-member{color:var(--green)}.status-pending{color:var(--accent)}.status-cancelled,.status-expired,.status-disabled,.status-invalid{color:var(--red)}.report{background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:18px;font-family:SF Mono,Menlo,Consolas,monospace;font-size:12.5px;white-space:pre-wrap;overflow-x:auto;color:var(--text)}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}.stat{background:var(--card2);border-radius:10px;padding:16px;text-align:center}.stat .num{font-size:26px;font-weight:800;color:var(--accent)}.stat .lbl{font-size:12px;color:var(--muted);margin-top:4px}.tabs{display:flex;gap:8px;margin-bottom:18px;flex-wrap:wrap}.tabs button{border:1px solid var(--border);background:var(--card);color:var(--muted);padding:8px 16px;border-radius:8px;cursor:pointer;font-size:13px}.tabs button.active{color:#10121a;background:linear-gradient(90deg,var(--accent),var(--accent2));font-weight:700;border:none}.qr-box{width:180px;height:180px;border:1px dashed var(--border);border-radius:12px;display:flex;align-items:center;justify-content:center;margin:0 auto;color:var(--muted);font-size:12px;text-align:center;padding:12px;background:#fff}.muted{color:var(--muted);font-size:13px}.big-amount{font-size:30px;font-weight:800;color:var(--accent);text-align:center;margin:14px 0}footer{border-top:1px solid var(--border);padding:18px 24px;text-align:center;color:var(--muted);font-size:12px}.spin{display:inline-block;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}